Los Alamos Technical Reports This file lists the Los Alamos Technical Reports numbered LAMS-1 through LAMS-999 in the Los Alamos Library online catalog. The text of many of these reports are available online. Access the Los Alamos Library catalog at http://library.lanl.gov/. Click on "Library Catalog". Compiled by Gregory Walker, trinatomic@earthlink.net. For more information on nuclear weapons, visit Trinity Atomic Web Site at http://www.abomb1.org/ LAMS- Beta-gamma radioactivity in environmental air at Los Alamos, New Mexico for LAMS-1 A discussion of the fission neutron spectrum LAMS-2 Cross section for the reaction 20(230, 240)10 LAMS-3 Ordnance engineering program LAMS-4 Progress report number one of the Experimental Physics Division of the Los Alamos Project LAMS-5 Progress report number two of the Experimental Physics division of the Los Alamos Project LAMS-7 Progress report number three of the Experimental Physics division of the Los Alamos Project LAMS-8 Absolute measurement of [gamma][sub 25] with long counter LAMS-9 Progress report number four of the Experimental Physics division of the Los Alamos Project LAMS-11 The cross section for reaction 20(30,240)n LAMS-12 Progress report number five of the Experimental Physics division of the Los Alamos Project LAMS-13 Experiments on scattering of fast neutrons in tamper materials LAMS-15 Metallographic examination of an imploded steel tube LAMS-16 Metallographic examination of an imploded steel tube LAMS-17 Material limitations for water boiler LAMS-18 Critical mass of U[sup 235] in water solution with water reflector LAMS-19 Tension and compression tests of pure bismuth LAMS-20 Progress report number six of the Experimental Physics division of the Los Alamos Project LAMS-21 Progress report number seven of the Experimental Physics division of the Los Alamos Project LAMS-22 Report on an investigation of the behavior of argon-hydrogen mixture and isobutane in a spherical chamber LAMS-23 Health report LAMS-24 Memorandum from A. G. Graves LAMS-25 Progress report number eight of the Experimental Physics division of the Los Alamos Project LAMS-26 Report of a meeting on scattering experiments LAMS-27 Calculation of permissable quantities of various materials in BeO tamper LAMS-28 Progress report number nine of the Experimental Physics division of the Los Alamos Project LAMS-29 Preparation of boron by reduction of BCl[sub 3] with H[sub 2] : monthly report for November, 1943 LAMS-30 Physical properties of uranyl sulfate solutions LAMS-31 Separation of Bi from PbO[sub 2] residue LAMS-32 Health report, 1943 LAMS-33 Progress report number ten of the Experimental Physics division of the Los Alamos Project LAMS-34 Progress report number eleven of the Experimental division of the Los Alamos Project LAMS-35 Production of uranium hydride compacts : monthly report for December 15, 1943 LAMS-36 Statistics of the hypocritical gadget LAMS-37 A note on the soldering of tuballoy LAMS-38 Proposed measurement of the neutron-helium scattering cross-section and angular distribution between .6 and 2.5 Mev LAMS-39 Sensitivity of proton-recoil ionization chambers LAMS-40 Remarks on nuclear fission LAMS-41 Hot wire reduction of metals : summary of literature LAMS-42 Production of uranium hydride compacts : monthly report for January 15, 1944 LAMS-43 The dome above a depth charge in water LAMS-44 Minutes of the meeetings of the committee on biological effects of the gadget LAMS-46 Health report LAMS-48 Progress report number twelve of the Experimental physics division of the Los Alamos Project LAMS-49 Minutes of the meeting of the committee on biological effects of the gadget LAMS-50 Progress report number thirteen of the Experiment- al Physics division of the Los Alamos Project LAMS-51 Condensation of British damage reports LAMS-53 Progress report number fourteen of the Experiment- al Physics division of the Los Alamos Project LAMS-54 Progress report number fifteen of the Experimental Physics division of the Los Alamos Project LAMS-55 Comparison of data on the scattering cross sections of carbon and hydrogen LAMS-56 Preliminary evaluation of scattering experiments LAMS-57 Production of uranium hydride compacts : monthly progress report for February 15, 1944 LAMS-58 Progress report number sixteen of the Experimental Physics division of the Los Alamos Project LAMS-60 Photographic observation of collapsing cylinders : progress report of February 7, 1944 LAMS-62 Remarks on the fission-capture ratio of 25 LAMS-63 Report of committee on the question of neutrons accompanying alpha decay LAMS-65 Conferences with Dr. Inghram and Dr. Nier LAMS-66 Flat response neutron detector LAMS-69 Production of uranium hydride, uranium nitride and plastic-bonded uranium hydride compacts : Monthly progress report for March 15, 1944 LAMS-72 Monthly progress report of the Chemistry and Metallurgy Division LAMS-75 Progress report number seventeen of the Experimental Physics division of the Los Alamos Project LAMS-76 On the heating of the confining sphere LAMS-78 Progress report number eighteen of the Experiment- al Physics division of the Los Alamos Project LAMS-79 Health safety report : Chemical and Metallurgical division LAMS-80 Report of the Ordnance Division : status as of April 15, 1944 LAMS-81 Health report LAMS-82 [Memorandum from A. C. Graves, subject sources] LAMS-86 Monthly progress report of the Chemistry and Metallurgy Division LAMS-87 Health safety report : Chemical and Metallurgical division LAMS-88 Terminal observations program, progress report to April 15, 1944 LAMS-89 Preliminary report on the dust contamination problem in Building D LAMS-90 Special report presented at May meeting with C. A. Thomas on final purification and metallurgy of 49 LAMS-91 Investigation of plutonium hydride LAMS-93 Progress report number nineteen of the Experiment- al Physics division of the Los Alamos Project LAMS-95 Progress report number twenty of the Experimental Physics division of the Los Alamos Project LAMS-96 Progress report number twenty-one of the Experimental Physics division of the Los Alamos Project LAMS-97 Monthly progress report of the Chemistry and Metallurgy Division LAMS-98 Electromagnetic observation of implosion as affected by the H.E. product gas LAMS-99 Health safety report, Chemical and Metallurical division LAMS-100 The electrolytic preparation of thin films of plutonium oxide : preliminary LAMS-101 Special report presented at June meeting with C. A. Thomas on final purification and metallugy of 49 LAMS-103 Health report LAMS-104 [Notation for various neutron cross-sections] LAMS-107 Minutes of meeting held in Oppenheimer's office Wednesday, June 28, 1944, for the purpose of discussing the feasibility of use of the betatron for a study of the implosion process LAMS-108 Health safety report : Chemical and Metallurgical division LAMS-111 Progress report number twenty-two of the Experimental Physics division of the Los Alamos Project LAMS-112 Special report presented at July meeting with C. A. Thomas on final purification and metallurgy of 49 LAMS-113 Summary of meeting of Project Y technical board on July 13, 1944 LAMS-114 Progress report number twenty-three of the Experiment Physics division of the Los Alamos Project LAMS-117 Progress report number twenty-four of the Experimental Physics division of the Los Alamos Project LAMS-119 Health safety report : Chemical and Metallurgical division LAMS-121 Neutron emission by polonium oxide layers LAMS-126 Health report LAMS-128 [Memorandum from J. Von Neumann on surface water waves excited by an underwater explosion] LAMS-129 Health safety report : Chemical and Metallurgical division LAMS-130 An integral experiment to determine the critical mass with small amounts of material LAMS-131 94[sup 240] and its spontaneous fission LAMS-132 Minutes of meeting on betatron experiment of September 7, 1944 LAMS-135 Progress report number one of the Research division of the Los Alamos Project LAMS-136 Conventions in expressing isotopic composition of uranium samples, average atomic weights LAMS-141 Light element contamination in Building D : summary report LAMS-142 Energy of the hard gamma rays of La[sup 140] LAMS-143 Health safety report : Chemical and Metallurgical division LAMS-144 Critical masses of tamped hollow spherical shells LAMS-146 Monthly progress report of the Chemistry and Metallurgy Division LAMS-151 Progress report number two of the Research division of the Los Alamos Project LAMS-153 Construction of a hand-contamination counter and radiation monitor LAMS-154 Preliminary report on multiplication by spheres of [beta]-stage material LAMS-155 Monthly progress report of the Chemistry and Metallurgy Division LAMS-161 Safety circuit with dc amplifier LAMS-162 Tables for conversion of atomic, weight, and volume percentages in alloys of heavy metals LAMS-163 Progress report number three of the Research division of the Los Alamos Project LAMS-165 Progress report on optical observations LAMS-166 Translation of Gmelins Handbook of Inorganic Chemistry (8th Edition). system-number 55, uranium and isotopes LAMS-167 Solubility of argon in tuballoy LAMS-173 On the possibility of formation of a nuclear uranium lattice at very high temperatures LAMS-176-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-180 (P,N) reactions in deuterium, scandium and vanadium LAMS-188 [Memorandum from R. E. Peierls on detonation rate for plane and expanding waves, dated January 5, 1945] LAMS-189 [Memorandum from W. C. Higinbotham on the possibility of initiating an implosion with a photo sensitive detonation gas, dated December 29, 1944] LAMS-190 Monthly progress report of the Chemistry and Metallurgy Division LAMS-195 Mass-spectrographic studies of irradiated [beta]-stage materials LAMS-197 Damage to lengths of primacord produced by detonation of near-by lengths LAMS-200 Performance of British bombs LAMS-202 Explosives LAMS-203 Neutron emission from radioactive gaseous mixtures LAMS-205 Gamma rays from Po and measurement of Po in gamma rays LAMS-211-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-212 [Memorandum from D. P. Mitchell on monthly inventory of 'X' metal, dated 6 October 1944]. [Memorandum from D. P. Mitchell on monthly inventory of 'X' metal, dated 23 Sept. 1944]. [Memorandum from D. P. Mitchell on special instructions for handling 'X' metal scrap, dated 25 October 1944] LAMS-213 Information on the possibilities of pile-produced Sb[sup 124] as a photoneutron source in combination with beryllium LAMS-217-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-222 Progress report number seven of the Research division of the Los Alamos Project LAMS-224 Mechanical methods of packing TNT LAMS-226 Ground shock resulting from detonations on or above the surface LAMS-227 Multiplication by small spheres of active material LAMS-230 Multiplication of large 25 spheres LAMS-234-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-239 Notes on discussions about polonium, Dayton, Ohio - April 11 to 14, 1945 LAMS-241 Study of emulsions for photographing oscilloscope screens LAMS-242 Boron absorption measurements of neutrons from critical assemblies tamped by WC and U LAMS-243 [Memorandum from D. R. Inglis, editor, on writing reports and memoranda, dated May 17, 1945] LAMS-245 Production of neutrons from thick radioactive deposits LAMS-247 Estimated maximum pressures, positive impulses and positive duration in the blast from very large bare charges of TNT LAMS-248 Spatial and energy distribution of neutrons in 25 metal critical assemblies LAMS-249-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-251 Characteristics of some commercial photomultiplier tubes under pulse conditions LAMS-257 Simultaneous photography of two spectral regions in chemical analysis LAMS-258 Neutron energies in U and WC tampers LAMS-261-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-263 Determination of the background neutron emission rate of 49 LAMS-266-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-271 Isotope chart (high atomic number end) LAMS-275 Detonation timing in RaLa work LAMS-276-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-278 Some suggestions for the design of time-scale experiments LAMS-281 Minutes of technical and scheduling conference, August 10, 1945 LAMS-283 X-ray film-screen combination for anchor ranch studies LAMS-286 Determination of the capture cross section of 25 : preliminary report LAMS-289 Consolidation and shaping of boron : summary of prvious work LAMS-293 Half-life of Pu[sup 240] and of Pu[sup 239] LAMS-295 Mass spectroscopic studies, I : isotopic constitution of tellurium LAMS-295(2) Mass spectroscopic studies, II : isotopic constitution of silicon LAMS-295(3) Mass spectroscopic studies, III : isotopic constitution of tungsten LAMS-295(4) Mass spectrographic studies, IV : molybdenum and bromine LAMS-299 Energy of fission fragments of 25, 28, 49 LAMS-302-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-303 Thermocouple-type hot-wire flowmeter LAMS-305 Progress report number thirteen of the Research division of the Los Alamos Project, November 1, 1945 LAMS-307 Room-temperature casting resin for mounting metallographic specimens LAMS-309 Martempering of K-46 tool and die steel LAMS-310 High-efficiency neutron counter for fast coincidence measurements LAMS-312 Semi-monthly reports of the Metallurgy groups : July 15, 1943 to February 29, 1944 LAMS-313 Preparation and properties of tungsten carbide-co- pper alloys LAMS-314 Production of 3-inch-diameter tubes of tungsten carbide LAMS-315 Heat treatment and machinability of beryllium rod LAMS-320 Power reactor notes LAMS-322 Power reactor notes (3) LAMS-323 Power reactor notes (4) LAMS-331 Long electrostatic generator improvements LAMS-332 Critical radium of water boiler in water tamper LAMS-333 Metallographic preparation method for tungsten carbide LAMS-335 Progress report number fourteen for the Research divisionof the Los Alamos Project LAMS-336 Formula for water-boiler fluctuation LAMS-337-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-338-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-339-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-340 Physics division monthly report, January 1,1946 LAMS-342 Remarks concerning very short delayed-neutron periods LAMS-343 Angular distribution of scattering of 30-Kev neutrons LAMS-344 Search for slow-neutron-induced fission of Np[sup 239] LAMS-345 Spin-dependent part of the neutron - deuterium cross section LAMS-346 Neutron spectrum from a cold parahydrogen radiator LAMS-347 Neuton physics : a course by E. Fermi LAMS-350 Physics division monthly report LAMS-351 [alpha]-ray intensities at Trinity and in Japan LAMS-352 Monthly progress report of the Chemistry and Metallurgy Division LAMS-354 Thermal neutron fission in Pa[sup 231], Th[sup 232], U[sup 234], and Np[237] LAMS-355 Radiochemistry of the fission products LAMS-357-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-358 Direction and energy distribution near threshold of fission fragments LAMS-359 Group X-2 progress report : 1 December 1945 to 31 January 1946 LAMS-360 Group X-2 progress report : 1-28 February 1946 LAMS-361 Physics division monthly report, March 1, 1946 LAMS-364 Penetration of a radiation wave into uranium LAMS-367 Preliminary experiments on a high-efficiency fast-neutron counter LAMS-370 Angular distribution of n-d scattering for 2.5-Mev neutrons LAMS-372-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-373 Semi-popular motion-picture record of the Trinity explosion LAMS-376 Absorption of fission gamma rays in air LAMS-377 Pressure-gage data : Hiroshima and Nagasaki explosions LAMS-379 Adiabatic compression of a liquid deuterium-triti- um mixture by a piston LAMS-380 Calculation of energy in air after passage of the blast wave of a 20,000 ton TNT equivalent bomb LAMS-381 PIT catalog : destination kit LAMS-382 Bonding aluminum to tuballoy LAMS-383 Physics division monthly report : May 1, 1946 LAMS-384-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-386 Progress report on impact sensitivity measurements LAMS-387 Progress report on determination of chemical composition of slow explosives LAMS-389 Preliminary determination of the neutron absorption cross section of long-lived I[sup 129] LAMS-390 Beta rays from H[sup 3] LAMS-392 Energy loss of deuterons in D[sub 2]O at very low energies LAMS-395-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-396 Fission of 28 and 49 by 14-MeV neutrons LAMS-398-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-400 Surface phenomena in high explosives LAMS-401 Physics Division monthly report : July 1, 1946 LAMS-403 Heat-treating shop at Los Alamos LAMS-406 Studies of adjustments of a Zinn-type ion source LAMS-409 Model 100 counting rate meter LAMS-410 Model 200 pulse counter LAMS-412-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-413 Measurement of transport and ineleastic scattering cross sections for fast neutrons, Part 1. Method LAMS-414 Measurement of transport and ineleastic scattering cross sections for fast neutrons, Part 2. Experimental results LAMS-417 Attempted intense D-D neutron source LAMS-418 Half-life of polonium LAMS-419 Design and some construction details of two laboratory vacuum furnaces for casting metals LAMS-420 High-voltage pulse-type radio-frequency power supply LAMS-421 A method for preparing large tungsten-copper pieces LAMS-422 Physics Division monthly report : September 1, 1946 LAMS-423 Procedures in the analysis of ballistic field data LAMS-424 Scattering of protons by deutrons LAMS-425-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-426 Studies in complex formation : 1. the extraction of ferric chloride by isopropyl ether LAMS-427 Elementary theory of the pile LAMS-430 Crossroads technical instrumentation report : timing signals (tests A and B) LAMS-432 Crossroads technical instrumentation report, Test B LAMS-435 Hydrodynamic theory of the reaction zone with high explosives LAMS-436 Pulse shapes in a parallel plate ionization chamber LAMS-437 P Division monthly progress report LAMS-439 Radiation intensity vs time inside target ships LAMS-441 Ranges in air of plutonium fission fragments as a function of their mass LAMS-443 Evidence for a gamma-proton process n beryllium[s- up -nine] LAMS-444 Theory of shimming of the mass spectrograph LAMS-445-Del. Monthly progress report of the Chemistry and Metallurgy Division LAMS-446 Crossroads technical instrumentation report : fastax photography LAMS-451 Safety test for storage of plutonium-239 in angle-iron frames designed at DP Site LAMS-452 Pajarito safety manual LAMS-453 Safety test on the storage of plutonium tetrafluoride LAMS-455 Nuclear safety test of assembly of enriched uranyl nitrate solutions LAMS-456 Pajarito safety regulations LAMS-475 P Division monthly progress report LAMS-476 Isotope chart supplement LAMS-477 D Division monthly progress report : 21 September 1946 - 20 October 1946, inclusive LAMS-478-Del. CMR division monthly progress report, October 1-20, 1946 LAMS-481 D Division monthly progress report : 21 October - 20 November 1946 LAMS-482 P Division monthly progress report : 21 October - 20 November 1946 LAMS-483 Initial stock for Sandia : catalogue LAMS-487 CMR division monthly progress report, October 20 to November 20, 1946 LAMS-488-pt.1 Progress report for March 1946 : T-1 Site X-1 LAMS-488-pt.3 Progress report for June 1946 : T-Site X-1 LAMS-488-pt.5 Group X-1 monthly progress report : August and September 1946 LAMS-488-pt.6 Progress report from 1 to 20 October 1946 : T-Site X-1 LAMS-490-pt.1 Monthly progress report : Group X-3 LAMS-490-pt.11 Monthly progress report : Group X-3 LAMS-490-pt.13 Monthly progress report : Group X-3 LAMS-490-pt.2 Monthly progress report : Group X-3 LAMS-490-pt.4 Monthly progress report : Group X-3 LAMS-490-pt.5 Monthly progress report : Group X-3 LAMS-490-pt.6 Monthly progress report : Group X-3 LAMS-490-pt.7 Monthly progress report : Group X-3 LAMS-490-pt.8 Monthly progress report : Group X-3 LAMS-490-pt.9 Monthly progress report : Group X-3 LAMS-491-pt.1 Monthly report of Group X-4 : January 1946 LAMS-491-pt.2 Monthly report of Group X-4 : February 1946 LAMS-491-pt.4 Monthly report of Group X-4 : April 1946 LAMS-491-pt.5 Monthly report of Group X-4 : May 1946 LAMS-492-pt.1 Group X-6 : monthly report for the period October 21 through November 20, 1946 LAMS-492-pt.2 Group X-6 : monthly report for the period November 21 through December 20, 1946 LAMS-492-pt.3 Group X-6 : monthly report for the period December 21, 1946 through January 20, 1947 LAMS-494-pt.2 Progress report, January and February 1946 : Group X-8 LAMS-496 P Division monthly progress report : 21 November - 21 December 1946 LAMS-500 The Measurement of ultra-short time intervals LAMS-502 Method for the preparation of butt-welded thermocouples using 3-mil diameter wire LAMS-504 A portable pulse generator LAMS-505 P division monthly progress report : 21 December 1946 - 20 January 1947 LAMS-506 Catalog : KIT equipment LAMS-507 Spread of radioactive contamination from a tower-burst atomic bomb LAMS-509 Estimate of certain ballistic quantities (L.B.) LAMS-513 Tables of Legendre polynomials P[sub n](cos [beta]) for N=0(1)20, and [theta]=0[sup 0](1)180[degrees] to six decimals LAMS-516 Survey of Los Alamos and Pueblo Canyon for radioactive contamination and radioassay tests run on sewer-water samples and water and soil samples taken from Los Alamos and Pueblo Canyons LAMS-516A Survey of Los Alamos and Pueblo canyons for radioactive contamination in May 1947 LAMS-517 A laboratory oscilloscope LAMS-518 Transient response of damped linear networks with particlar regard to wideband amplifiers LAMS-519 Detonation of composition B at liquid nitrogen temperature LAMS-520 Fabrication of gold-beryllium alloys LAMS-523 Note on the origin of the term "barn" LAMS-538 Precision investment molding process LAMS-540 Memorandum on Los Alamos operation : a generalized study of the problem LAMS-543 P division monthly progress report : 21 February - 20 March 1947 LAMS-544 Z division status report for month of February LAMS-550 "Twenty-five favorite circuits" LAMS-551 Statistical methods in neutron diffusion LAMS-553 Transport cross section expressed in terms of phase shift LAMS-554 Protective coatings ofr dural developer tanks LAMS-556 Meson theory and experiments about the beta decay of negative mesons in matter : an elementary discussion presented at the 24 March 1947 colloquium LAMS-557 Bibliography of chemistry and metallurgy documents received by the Los Alamos Document room in the period January 1, 1947 to January 1, 1948 LAMS-562 Treatment of discontinuities in Langrangian integration of symmetrical hydrodynamic problems LAMS-563 P division monthly progress report : 21 March - 20 April 1947 LAMS-567 Plutonium fast reactor at Los Alamos LAMS-572 P division monthly progress report : 21 April 1947 - 20 May 1947 LAMS-573 A ten channel pulse-height analyzer LAMS-575 Chemistry-Metallurgy division progress report : 20 April - 20 May 1947 LAMS-576 Health-Instruments group, CMR-12 progress report : 20 April - 20 May 1947 LAMS-582 Z-Division progress report : 21 May - 20 June 1947 LAMS-583 Application of Zapon technique to the preparation of foils LAMS-586 X-division progress report LAMS-587 P division monthly progress report : 21 May 1947 - 20 June 1947 LAMS-588 Handbook of chemical analyses LAMS-593 P division monthly progress report : 21 June 1947 - 20 July 1947 LAMS-594 Report of talk given at the Chicago meeting, May 16, 1945 : the monitoring of Site Y personnel for plutonium contamination and the excretion of plutonium by a human subject LAMS-595 H-division progress report : 20 May 1947 - 20 July 1947 LAMS-596 Problems of air-borne contamination in handling Pu F[sub 4] powders LAMS-597 X-division progress report : 21 June 1947 to 20 July 1947 LAMS-598 CMR-12 progress report, 21 June 1947 - 20 July 1947 LAMS-600 Differential D(d,n)He[sup 3] cross section for 10 Mev deuterons LAMS-603 Determination of plutonium in human urine LAMS-604 On the reliability of Monte Carlo results LAMS-605 Tables of spherical Bessel function of imaginary argument and half odd integral order LAMS-606 Equation of state data from shock wave observatio- ns LAMS-607 Z-Division progress report : 18 July 1947 - 18 August 1947 LAMS-609 P division monthly progress report : 21 July 1947 - 20 August 1947 LAMS-610 H-division progress report, July 20 - August 20, 1947 LAMS-613 CMR-12 progress report, July 21- August 20, 1947 LAMS-616 Search for three-way fission of U[sup 238] by 14-MeV neutrons LAMS-618 Fraunhofer diffraction pattern produced by a slit of varying width and its application to high speed cameras LAMS-619 Pocket radiation alarm LAMS-620 Los Alamos Health Group film badge procedures LAMS-623 H-division progress report, August 20 - September 20, 1947 LAMS-6231 Multicomponent analysis of the carbon/water equilibria in the HTGR primary coolant system LAMS-624 P Division monthly progress report : 21 August 1947 - 20 September 1947 LAMS-626 A method for rolling uranium foil LAMS-630 Group CMR-12 progress report, August 21 - September 20, 1947 LAMS-633 Further evidence for a [gamma]-p process in Be[sup 9] LAMS-634 Study of sources of contamination in the analysis of radioactive materials LAMS-635 Engineering drawing standards manual LAMS-639 On the accuracy of a procedure occurring in the Monte Carlo method LAMS-642 CMR-12 progress report LAMS-643 X-division progress report, 20 September 1947 - 20 October 1947 LAMS-644 H-division progress report, 20 September 1947 - 20 October 1947 LAMS-645 P Division monthly progress report : 21 September 1947 - 20 October 1947 LAMS-646 T-division progress report : 20 September 1947 - 20 October 1947 LAMS-648 Preliminary search for fission induced fission LAMS-650 Group CMR-12 progress report, 20 October 1947 - 20 November 1947 LAMS-651 H-division progress report, 20 October 1947 - 20 November 1947 LAMS-653-Del. Laboratory annual progress report for 1947 LAMS-654 The reaction He[sup 3] (n,p) H[sup 3] induced by thermal neutrons LAMS-655 Report on progress of design and construction of 12 million volt precision electrostatic generator at Los Alamos, N. Mex LAMS-658 Ground activity after the trinity shot LAMS-659 P Division monthly progress report : 20 October 1947 - 21 November 1947 LAMS-661 Summary of work on health instruments LAMS-663 Inelastic scattering cross sections of lead and uranium for 14 Mev neutrons LAMS-664 CMR-12 progress report LAMS-665 Methyl methaceylate casting resin LAMS-666 A & S memoroandum no. 10742 LAMS-667 Possible detection of atomic bomb explosion by pressure measurements at the antipodes LAMS-669 Electronics of the Van de Graaff LAMS-670 P Division monthly progress report : 21 November 1947-20 December 1947 LAMS-671 H-division progress report, 21 November 1947-20 December 1947 LAMS-678 Some applications of electronics to precision D.C. measurements and control LAMS-681 Z-Division progress report : [20 Dec 1947 - 20 Jan 1948] LAMS-682 Installation of chemical research laboratory LAMS-683 Preliminary results on the cross-section of the reaction T[sup 3](d,n)He[sup 4] between 1.0 Mev and 2.5 Mev deuteron energy LAMS-687 H-division progress report LAMS-688 Status report on Los Alamos Tech Series LAMS-689 Report on radioactive tolerance for waste effluents and waste gases and radioactive dusts LAMS-691 P-Division progress report : 20 December-20 January 1948 LAMS-696 Z-division progress report : 20 January 1948 - 20 February 1948 LAMS-697 CMR-12 progress report : 20 December 1947 - 20 January 1948 LAMS-700 H-division progress report : 20 January 1948 - 20 February 1948 LAMS-701 CMR-12 group progress report, 20 January 1948-20 February 1948 LAMS-702 P division progress report : 20 January 1948 - 20 February 1948 LAMS-703 Table of critical radii for tamped spheres LAMS-705 A current integrator LAMS-706 Phenomenological theory of reactive assemblies LAMS-708 CMR-12 group progress report, 20 February 1948 - 20 March 1948 LAMS-709 Radioassay and spectrochemical analysis of water and soil samples collected from Los Alamos, and Pueblo Canyons and analyses of water samples from tech area, DP site, and launddry drains : December 1947 LAMS-710 Excitation time of silver activated zinc sulphide on electron bombardment LAMS-711 Note on stereographic drawing LAMS-713 Z-division progress report : 20 February 1948 - 20 March 1948 LAMS-716 H-division progress report : 20 February 1948-20 March 1948 LAMS-720 Recording type automatic Geiger tube calibrator LAMS-721 Group CMR-12 progress report, 20 March 1948 - 20 APril 1948 LAMS-722 Drawing nomenclature and composition, electrical LAMS-723 P division progress report : 20 February 1948 - 20 March 1948 LAMS-725 Studies of air-borne contamination resulting from operations handling plutonium metal and plutonium alloys LAMS-726 H-division progress report : March 21, 1948 - April 20, 1948 LAMS-727 The neutron energy distribution in the center of the Los Alamos plutonium reactor LAMS-728 A table of the function Ki[sub 1](x) LAMS-730 Bibliography of chemistry and metallurgy documents received by the Los Alamos Document room in the period January 1, 1947 to January 1, 1948 LAMS-731 Photoelectric observations of bomb flashes at a long distance LAMS-732 Attempt at remote detection of a nuclear explosion LAMS-733 Effect of temperature and reactivity changes in operation of the Los Alamos plutonium reactor LAMS-734 Average effective cross sections for the fast plutonium reactor spectrum LAMS-736 Group CMR-12 progress report : 20 April 1948 - 20 May 1948 LAMS-739 Report on triangle computer LAMS-740 Design and construction of the "Pee Wee" portable proportional alpha survey meter LAMS-741 H-division progress report : 20 April 1948 - 20 May 1948 LAMS-746 Group CMR-12 progress report : 20 May 1948 - 20 June 1948 LAMS-747 The design and construction of a test instrument for the Model-356 Zeuto LAMS-748 Method for finding the neutron sensitivity of a large gamma-ray ionization chamber LAMS-749 Survey meter conversion unit LAMS-750 P division progress report : 20 April 1948 - 20 May 1948 LAMS-751 H-division progress report : 20 May 1948 - 20 June 1948 LAMS-752 Neutron-deuteron scattering at high energies LAMS-754 P division progress report : 21 May 1948 - 20 June 1948 LAMS-756 X-division progress report : 20 May 1948 - 20 June 1948 LAMS-757 Radiation measurement of 400 Kv x-ray unit LAMS-759 Group CMR-12 progress report, 20 June 1948 - 20 July 1948 LAMS-763 A method for the prepartion of large crystals of anhydrous manganous sulfate : MnSO[sub 4] LAMS-764 Characteristics of 16.5-min. Y[sup (94)] LAMS-765 Search for short-lived Y, Zr, and Cb fission products LAMS-766 H-division progress report : 20 June 1948 - 20 July 1948 LAMS-769 Isolation of high activities of Xe[sup 135] at the Omega water boiler LAMS-770 The design of special hood for machine tools LAMS-771 Group CMR-12 progress report, July 20 - August 20, 1948 LAMS-773 Production of No. A-134 MgO crucibles LAMS-774 Fission cross section of Th[sup 232] and U[sup 235] for 14 mev neutrons LAMS-775 Preparation of high strength shapes from crystalline boron LAMS-776 Preliminary results on the fission cross sections of Th[sup 232] and U[sup 235] for 14 mev neutrons LAMS-777 Preliminary results on the fission cross section of U[sup 238] in the neutron energy range from 13.5 to 18 Mev LAMS-779 A proposed method of measuring neutron energies by the (n,[alpha]) reaction in Li[sup 6] using nuclear emulsions LAMS-782 P division progress report : 20 June 1948 - 20 July 1948 LAMS-783 H-division progress report : 20 July 1948 - 20 August 1948 LAMS-784 P division progress report : 20 July 1948 - 20 August 1948 LAMS-786 Safety tests on hand stacking of U-235 cubes LAMS-787 Group CMR-12 progress report, 20 August - 20 September 1948 LAMS-790 H-division progress report : August 20 - September 20, 1948 LAMS-796 Table of diffusion constant K LAMS-797 Table of the collision probability of P[sub c] for a uniform source in an untamped sphere of radius [sigma[sub a]] and an untamped infinite slab of half-thickness [sigma[sub a]] LAMS-798 P Division progress report : 20 August 1948 - 20 September 1948 LAMS-799 Group CMR-12 progress report : 20 September - 20 October 1948 LAMS-803 H-division progress report : 20 September - 20 October 1948 LAMS-805 Note on census-taking in Monte-Carlo calculations LAMS-806 Table of [delta]x LAMS-808 A report to the chairman of the NEPA Project's sub-committee on available data on radiation biology : a summary of available data at the Los Alamos Laboratory LAMS-809 Communications for Operation Sandstone LAMS-810 Group CMR-12 progress report : 20 October - 20 November 1948 LAMS-813 J-division progress report : 20 October 1948 - 20 November 1948 LAMS-815 H-division annual report of research activities, Volume 1. organic and biological chemistry LAMS-815R H-division annual report of research activities, Volume 1. organic and biological chemistry LAMS-816 H-division annual report of research activities LAMS-816R H-division annual report of research activities, Volume 2. radiobiology LAMS-817 H-division progress report : 20 October 1948 - 20 November 1948 LAMS-818 P division progress report : 20 September 1948 - 20 October 1948 LAMS-820 Cross section for the reaction N[sup 14](He[sup 3],[alpha])N[sup 13] for 8.3 Mev He[sup 3] particles LAMS-821 A Summary of attempts to classify pulverized barium nitrate in the sub-sieve range LAMS-823 Progress of liquid waste disposal studies LAMS-824 A Method for three dimensional graphs LAMS-825 CMR-12 progress report : 20 November - 20 December 1948 LAMS-828 H-division progress report : 20 November - 20 December 1948 LAMS-832 Table of the functions: S[sub o](x), C[sub o](x), E[sub o](x), [sinh][sub o](x) and [coth][sub o](x) LAMS-833 Progress of liquid waste disposal studies LAMS-834 A Transient analysis of the cathode-coupled feedback loop LAMS-835 Fabrication of uranium hydride LAMS-836 Minutes of an informal meeting on nuclear rockets LAMS-838 Approximate densities of liquid He[sup 3] between 1.27[degrees] and 2.79[degrees]K LAMS-839 Group CMR-12 progress report : 20 December - 20 January 1948 LAMS-840 Uranium hydride fabrication LAMS-845 Electron microscopy of beryllium compounds : investigations of particle size and structural surface properties as an approach to identificati- on of compounds and the problem of their toxicity LAMS-846 H-division progress report : 20 December 1948-20 January 1949 LAMS-847 Report on health instruments : Model 263 - Victoreen Instrument Company, Cleveland, Ohio LAMS-849 P division progress report : 20 October 1948 - 20 November 1948 LAMS-850 Elastic constants and sound velocities, 1. the precision determination of elastic constants LAMS-851 Elastic constants and sound velocities, 2. longitudinal, torsional, and bending vibrations of loaded bars LAMS-852 Elastic constants and sound velocities, 3. elastic constants of uranium LAMS-854 Group CMR-12 progress report : 20 January 1949-20 February 1949 LAMS-855 P division progress report : 20 November 1948 - 20 December 1948 LAMS-856 The Ten channel electrostatic pulse analyzer LAMS-858 Neutron activation cross sections in the fast reactor LAMS-860 Uranium hydride fabrication : status report LAMS-861 Elastic constants and sound velocities, 4. elastic constants of plutonium LAMS-862 Some notes on wideband feedback amplifiers LAMS-863 Progress of liquid waste disposal studies LAMS-864 Report on GMX-4 activities, 1. shock waves in gases, 2. thermal effects in metals LAMS-865 H-division progress report : 20 January 1949 - 20 February 1949 LAMS-869 Critical size of untamped cube by variation method LAMS-872 Uranium hydride fabrication : quarterly report - 15 March 1949 LAMS-873 Group CMR-12 progress report : 20 February - 20 March 1949 LAMS-874 P division progress report : 20 December 1948 - 20 January 1949 LAMS-877 H-division progress report : 20 February 1949 - 20 March 1949 LAMS-883 Progress of liquid waste disposal studies LAMS-884 P division progress report : 20 January 1949 - 20 February 1949 LAMS-886 CMR-12 progress report : 20 March - 20 April 1949 LAMS-888 Uranium hydride fabrication : status report - April 15, 1949 LAMS-889 H-division progress report : 20 March 1949 - 20 April 1949 LAMS-893-Del. Progress report T-division : March 20 - April 20, 1949 LAMS-894 Feasibility of shadow shielding in nuclear powered submarines LAMS-895 Measurements involving rapid light fluctuations LAMS-896 Uranium hydride fabrication : status report - May 15, 1949 LAMS-897 P division progress report : 20 April 1949 - 20 May 1949 LAMS-899 Group CMR-12 progress report : 20 APril 1949 - 20 May 1949 LAMS-901 H-division progress report : April 20, 1949 - May 20, 1949 LAMS-905 Particle size determination in radioactive aerosols by radio-autograph LAMS-906 Four-way stopcock LAMS-908 Fast plutonium reactor experimental facilities LAMS-909 P division progress report : 20 February 1949 - 20 March 1949 LAMS-910 P division progress report : 20 March 1949 - 20 April 1949 LAMS-911 Decontamination of radioactive waste air. I LAMS-913 Progress of liquid waste disposal studies LAMS-914 CMR-12 progress report : May 20, 1949 - June 20, 1949 LAMS-915 Neutron spectrum from fast reactor LAMS-916 Magnetic acceleration LAMS-917 H-division progress report : 20 May 1949 - 20 June 1949 LAMS-918 Aluminum window glass counter LAMS-921 Analysis of fireball growth at Sandstone LAMS-923 Progress of liquid waste disposal studies LAMS-924 A New technique for the measurement of neutron energy spectra LAMS-925 Bibliography of chemistry and metallurgy documents received by the Los Alamos Document Room during the period January 1, 1948 to January 1, 1949 LAMS-927 CMR-12 progress report : June 20, 1949 - July 20, 1949 LAMS-929 H-division progress report : 20 June 1949 - 20 July 1949 LAMS-930-Del. T division progress report : June 20, 1949 - July 20, 1949 LAMS-933 On the range of energy releases which can be determined by fireball observations LAMS-935 CMR-12 progress report : July 20, 1949 through August 20, 1949 LAMS-936 The chelation of lanthanum with thenoyltrifluorac- etone as a function of pH LAMS-937 Correction formulas for the Li[sup 6] method LAMS-938 Fission cross sections of thorium 232, uranium 233, 235 and 236 and plutonium 239 relative to uranium 238 for 14 Mev neutrons LAMS-939 P division progress report : 20 May 1949 - 20 June 1949 LAMS-941 H-division progress report : 20 July 1949 - 20 August 1949 LAMS-942 Report on an electron multiplier LAMS-946 On the application of Li[sup 6] loaded emulsions to the measurement of the neutron spectrum in a reactive assembly LAMS-948 Elastic constants and sound velocities, 5. torsional vibrations of coupled cylinders LAMS-950 J-division progress report : June 20, 1949 - July 20, 1949 LAMS-951 A Simple method for the calculation of the equation of state LAMS-952 J division progress report : 20 May 1949 through 20 June 1949 LAMS-953 CMR-12 progress report : August 20, 1949 - September 20, 1949 LAMS-956 H-division progress report : August 20, 1949 to September 20, 1949 LAMS-961 Threshold for the Cu[sup 63] ([gamma],n) Cu [sup 62] reaction LAMS-962 J - division progress report : 20 April to 20 May 1949 LAMS-964 P division progress report : 20 July 1949 - 20 Aug 1949 LAMS-967 Fabrication of uranium wire LAMS-968 P division progress report : 20 August 1949 - 20 September 1949 LAMS-970 Decontamination of radioactive waste air. II LAMS-971 An investigation of the use of arsenic[sup 75] as a threshold detector of fast neutrons in the presence of large numbers of slow neutrons LAMS-972 J division progress report : August 20, 1949 - September 20, 1949 LAMS-984 Disintegration of He[sup 3] by fast neutrons LAMS-987 Proposed high resolution neutron spectrometer LAMS-991 Spontaneous fission of 48 LAMS-992 Energy spectrum of spontaneous fission fragments LAMS-993 Preliminary survey of physical effects produced by a super bomb LAMS-999 Separation of lanthanum from barium by the precipitation of lanthanum silicofluoride