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 Decade: 1920-1929
 Serial/Series Title: Scientific papers (United States. National Bureau of Standards)
 Collection: Technical Report Archive and Image Library
Theory of Determination of Ultra-Radio Frequencies by Standing Waves on Wires

Theory of Determination of Ultra-Radio Frequencies by Standing Waves on Wires

Date: June 23, 1924
Creator: Hund, August
Description: Scientific paper issued by the Bureau of Standards over ultra-radio frequencies. As stated in the abstract, "this paper furnishes the theoretical background for the method of frequency standardization employing short standing waves on parallel wires" (p. 487). This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Efflux of Gases Through Small Orifices

Efflux of Gases Through Small Orifices

Date: January 28, 1920
Creator: Buckingham, Edgar
Description: Scientific paper issued by the Bureau of Standards over studies conducted on gas effusion rates. The methods used and the results of the studies are presented and discussed. This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Measurements on the Thermal Expansion of Fused Silica

Measurements on the Thermal Expansion of Fused Silica

Date: April 13, 1926
Creator: Souder, Wilmer H.
Description: Scientific paper issued by the Bureau of Standards over thermal expansion of fused silica. As stated in the abstract, "this paper gives the results of an investigation on the thermal expansion of transparent and nontransparent fused silica for various temperature ranges between -125 and +1,000 degrees Celsius. A detailed description of the apparatus and the methods used in this research and a summary of available data obtained by previous observers on the thermal expansion of fused silica are given" (p. 1). This paper includes tables, photographs, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
A New Interferential Dilatometer

A New Interferential Dilatometer

Date: February 28, 1920
Creator: Priest, Irwin G.
Description: Scientific paper issued by the Bureau of Mines over development of a dilatometer. The instrument is used in tests of thermal expansion. The methods are presented and discussed. This paper includes an illustration.
Contributing Partner: UNT Libraries Government Documents Department
Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles

Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles

Date: August 5, 1924
Creator: Curtis, Harvey L. & Sparks, C. Matilda
Description: Scientific paper issued by the Bureau of Standards over the mutual inductance of two coaxial circles. As stated in the abstract, "a number of examples are given to show the methods of computation by the different formulas, tables, and charts" (p. 541). This paper includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Cooperative Measurements of Radio Fading in 1925

Cooperative Measurements of Radio Fading in 1925

Date: August 17, 1927
Creator: Dellinger, J. H.; Jolliffe, C. B. & Parkinson, T.
Description: Scientific paper issued by the Bureau of Standards over studies conducted on radio fading. As stated in the abstract, "the series of measurements on fading were devoted to studies of fading effects during the sunset period, effects during the solar eclipse of January 24, the fading variations throughout a 24-hour day, and the effects of high transmitting power on fading" (p. 419). This paper includes tables, maps, illustrations, and photographs.
Contributing Partner: UNT Libraries Government Documents Department