Research Highlights of the National Bureau of Standards
RESEARCH HIGHLIGHTS OF TH E NATIONAL BUREAU OF STANDARDS ANNUAL REPORT ill UNITED STATES DEPARTMENT OF COMMERCE Lewis L. Strauss, Secretary NATIONAL BUREAU OF STANDARDS A. V. Astin, Director Research Highlights of the National Bureau of Standards Annual Report, Fiscal Year 1958 December 1958 Miscellaneous Publication 226 For sale by the Superintendent of Documents, U. S. Government Printing Office Washington 25, D. C. - Price 45 cents Contents Tage L. General Review _; 1 Technical Activities 2 Administrative Activities 9 Publications 10 2. Highlights of the Research Program 11 2.1. Electricity and Electronics 11 Capacitance measurements based on the calculable capacitor 11, Semiconductor research 11, Surge voltage measurements 12, Cunife wire magnets 13, Ultra-low frequency measurements of dielectric properties 13, Electron-tube material sublimation 13, Noise in fixed resistors 13, A provisional faraday value 14, Electric cells at high temperature 14, Recharging of dry cells 15, Internal resistance of dry cells 15, Heats of adsorption 15, Air- craft and missile batteries 15, Postal automation 15. 2.2. Optics and Meterology 16 Photometric standards 16, Spectrophotometric data electroni- cally computed 17, Conversion of colorimetric data to Munsell terms 17, Anticollision lights for airplanes 18, Refractive index of synthetic sapphire 19, Calibration of airplane cameras 19, Standards for spectacle lenses 19, Automatic lens design 19, Atomic beams for defining length 19, High-precision gage blocks 20, Screw thread standards 21. 2.3. Heat 21 Statistical thermodynamics 21, International temperature stand- ards 22, Resistance thermometry 23, High-temperature pyrom- eters 23, Parity and time reversal 24, Heat measurements on sulfur 24, Thermodynamic properties of rubber 25, Viscosity standards 25, Rheology 26, Free radicals 26.
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