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 Decade: 1920-1929
 Serial/Series Title: National Bureau of Standards Reports
 Collection: Technical Report Archive and Image Library
Large Mollier Chart (Foot-Pound-Fahrenheit Units): Properties of Ammonia

Large Mollier Chart (Foot-Pound-Fahrenheit Units): Properties of Ammonia

Date: 1924
Creator: United States. Bureau of Standards.
Description: Large mollier chart showing the properties of ammonia.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Twenty-Second National Conference on Weights and Measures, 1929

Report of the Twenty-Second National Conference on Weights and Measures, 1929

Date: June 1929
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Compressibilities of gases

Compressibilities of gases

Date: November 21, 1925
Creator: Pickering, Samuel Fisher
Description: Reproduction of thirteen graphs for computing compressibilities of various gases and for computing the volumes delivered from cylinders containing various gases.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Twenty-First National Conference on Weights and Measures, 1928

Report of the Twenty-First National Conference on Weights and Measures, 1928

Date: May 1928
Creator: United States. National Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
National Electrical Safety Code, 4th edition

National Electrical Safety Code, 4th edition

Date: 1927
Creator: unknown
Description: Fourth edition of the United States Electrical Safety Code.
Contributing Partner: UNT Libraries Government Documents Department
Discussion of the National Electrical Safety Code: (to Accompany the Third Edition of the Code), October 31, 1920

Discussion of the National Electrical Safety Code: (to Accompany the Third Edition of the Code), October 31, 1920

Date: 1921
Creator: unknown
Description: Discussion of the updated rules in the third edition of the National Electrical Safety Code.
Contributing Partner: UNT Libraries Government Documents Department
Motor-Vehicle Headlighting

Motor-Vehicle Headlighting

Date: August 5, 1925
Creator: Carlson, R. E.
Description: A report on the necessity of improved motor-vehicle lighting.
Contributing Partner: UNT Libraries Government Documents Department
National Bureau of Standards: its functions and activities

National Bureau of Standards: its functions and activities

Date: October 29, 1925
Creator: unknown
Description: A report on the functions of the National Bureau of Standards.
Contributing Partner: UNT Libraries Government Documents Department
Tables of thermodynamic properties of ammonia

Tables of thermodynamic properties of ammonia

Date: April 16, 1923
Creator: unknown
Description: A report containing tables of thermodynamic properties of ammonia.
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1922

Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1922

Date: 1922
Creator: Stratton, S. W.
Description: Annual report of the director of the U.S. National Bureau of Standards discussing the staff, facilities, and activities of the agency during the fiscal year 1921-1922.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Nineteenth National Conference on Weights and Measures, 1926

Report of the Nineteenth National Conference on Weights and Measures, 1926

Date: 1926
Creator: United States. Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Mollier Chart of Properties of Ammonia, 1923

Mollier Chart of Properties of Ammonia, 1923

Date: May 1, 1923
Creator: United States. Bureau of Standards.
Description: Mollier chart of properties of ammonia.
Contributing Partner: UNT Libraries Government Documents Department
Strain Lines Developed by Compressive Tests on Structural Members of the Delaware River Bridge at the United States Bureau of Standards for the Delaware River Bridge Joint Commission

Strain Lines Developed by Compressive Tests on Structural Members of the Delaware River Bridge at the United States Bureau of Standards for the Delaware River Bridge Joint Commission

Date: March 10, 1926
Creator: United States. Bureau of Standards.
Description: Strain lines illustrations from Delaware River Bridge.
Contributing Partner: UNT Libraries Government Documents Department
Operation and Care of Vehicle-Type Batteries

Operation and Care of Vehicle-Type Batteries

Date: June 7, 1920
Creator: Vinal, George W.
Description: Manual for operation and care of storage batteries for use in Army depots.
Contributing Partner: UNT Libraries Government Documents Department
Annual Report of the Director [of] the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1921

Annual Report of the Director [of] the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1921

Date: 1921
Creator: United States. Bureau of Standards.
Description: Report describing the functions and operations of the United States Bureau of Commerce and its divisions during the fiscal year.
Contributing Partner: UNT Libraries Government Documents Department
Report of the Twentieth National Conference on Weights and Measures, 1927

Report of the Twentieth National Conference on Weights and Measures, 1927

Date: 1928
Creator: United States. Bureau of Standards.
Description: Report of the annual conference on weights and measures, hosted by the U.S. National Bureau of Standards in Washington D.C. It includes conference proceedings, a list of attendees, information about committees and officers, and other reports or commentaries discussed at the meetings.
Contributing Partner: UNT Libraries Government Documents Department
Comparison of American, British, and German Standards for Metal Fits

Comparison of American, British, and German Standards for Metal Fits

Date: 1927
Creator: Fullmer, Irvin H.
Description: Report issued by the Bureau of Standards discussing the comparison of American, British, and German metal fit standards. The comparisons between national standards of the three countries are presented and described. This report includes tables, and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Motor-Vehicle Headlighting

Motor-Vehicle Headlighting

Date: 1925
Creator: Carlson, R. E.
Description: Report issued by the Bureau of Standards discussing the improved illumination of night-time driving with the use of vehicle head-lighting. Methods of construction and adjustment information are presented. This report includes tables, illustrations, and photographs.
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
Fire Tests of Building Columns

Fire Tests of Building Columns

Date: April 21, 1921
Creator: Ingberg, S. H.; Griffin, H. K.; Robinson, W. C. & Wilson, R. E.
Description: Technical paper issued by the Bureau of Mines over studies conducted on fire resistance on building columns. As stated in the introduction, "the purpose of this investigation is to ascertain (1) the ultimate resistance against fire, of protected and unprotected columns as used in the interior of buildings; (2) their resistance against impact and sudden cooling from hose streams when in a highly heated condition" (p. 12). This paper includes tables, 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. & Hidnert, Peter
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
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
Efflux of Gases Through Small Orifices

Efflux of Gases Through Small Orifices

Date: January 28, 1920
Creator: Buckingham, Edgar & Edwards, Junius David
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
Endurance Tests of Tires

Endurance Tests of Tires

Date: May 25, 1926
Creator: Holt, W. L. & Workeley, P. L.
Description: Technical paper issued by the Bureau of Standards over studies conducted on the endurance of tires. 230 tires of 36 different brands were tested during the studies. The results of the studies are presented and discussed. This paper includes tables, and photographs.
Contributing Partner: UNT Libraries Government Documents Department
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