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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 U.S. National Bureau of Standards discussing the staff, facilities, and activities of the agency during the fiscal year 1921-1922.
Date:
1922
Creator:
Stratton, S. W.
Object Type:
Report
System:
The UNT Digital Library
Comparison of American, British, and German Standards for Metal Fits
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.
Date:
1927
Creator:
Fullmer, Irvin H.
Object Type:
Report
System:
The UNT Digital Library
Compressibilities of gases
Reproduction of thirteen graphs for computing compressibilities of various gases and for computing the volumes delivered from cylinders containing various gases.
Date:
November 21, 1925
Creator:
Pickering, Samuel Fisher
Object Type:
Report
System:
The UNT Digital Library
Cooperative Measurements of Radio Fading in 1925
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.
Date:
August 17, 1927
Creator:
Dellinger, J. H.; Jolliffe, C. B. & Parkinson, T.
Object Type:
Report
System:
The UNT Digital Library
Discussion of the National Electrical Safety Code: (to Accompany the Third Edition of the Code), October 31, 1920
Discussion of the updated rules in the third edition of the National Electrical Safety Code.
Date:
1921
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Efflux of Gases Through Small Orifices
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.
Date:
January 28, 1920
Creator:
Buckingham, Edgar & Edwards, Junius David
Object Type:
Report
System:
The UNT Digital Library
Endurance Tests of Tires
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.
Date:
May 25, 1926
Creator:
Holt, W. L. & Wormeley, P. L.
Object Type:
Report
System:
The UNT Digital Library
Fire Tests of Building Columns
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.
Date:
April 21, 1921
Creator:
Ingberg, S. H.; Griffin, H. K.; Robinson, W. C. & Wilson, R. E.
Object Type:
Report
System:
The UNT Digital Library
Formulas, Tables and Curves for Computing the Mutual Inductance of Two Coaxial Circles
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.
Date:
August 5, 1924
Creator:
Curtis, Harvey L. & Sparks, C. Matilda
Object Type:
Report
System:
The UNT Digital Library
Large Mollier Chart (Foot-Pound-Fahrenheit Units): Properties of Ammonia
Large mollier chart showing the properties of ammonia.
Date:
1924
Creator:
United States. Bureau of Standards.
Object Type:
Technical Drawing
System:
The UNT Digital Library
Measurements on the Thermal Expansion of Fused Silica
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.
Date:
April 13, 1926
Creator:
Souder, Wilmer H. & Hidnert, Peter
Object Type:
Report
System:
The UNT Digital Library
Mollier Chart of Properties of Ammonia, 1923
Mollier chart of properties of ammonia.
Date:
May 1, 1923
Creator:
United States. Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Motor-Vehicle Headlighting
A report on the necessity of improved motor-vehicle lighting.
Date:
August 5, 1925
Creator:
Carlson, R. E.
Object Type:
Report
System:
The UNT Digital Library
Motor-Vehicle Headlighting
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.
Date:
1925
Creator:
Carlson, R. E.
Object Type:
Report
System:
The UNT Digital Library
National Bureau of Standards: Its Functions and Activities
A report on the functions of the National Bureau of Standards.
Date:
October 29, 1925
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Report of the Nineteenth National Conference on Weights and Measures, 1926
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.
Date:
1926
Creator:
United States. Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Report of the Twentieth National Conference on Weights and Measures, 1927
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.
Date:
1928
Creator:
United States. Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Report of the Twenty-First National Conference on Weights and Measures, 1928
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.
Date:
May 1928
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
Report of the Twenty-Second National Conference on Weights and Measures, 1929
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.
Date:
June 1929
Creator:
United States. National Bureau of Standards.
Object Type:
Report
System:
The UNT Digital Library
National Electrical Safety Code, 4th edition
Fourth edition of the United States Electrical Safety Code.
Date:
1927
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
A New Interferential Dilatometer
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.
Date:
February 28, 1920
Creator:
Priest, Irwin G.
Object Type:
Report
System:
The UNT Digital Library
Operation and Care of Vehicle-Type Batteries
Manual for operation and care of storage batteries for use in Army depots.
Date:
June 7, 1920
Creator:
Vinal, George W.
Object Type:
Report
System:
The UNT Digital Library
Radio-Frequency Resistance and Inductance of Coils Used in Broadcast Reception
Technical paper issued by the Bureau of Standards over radio-frequency resistance in radio reception. As stated in the introduction, "the purpose of this paper is to present data on the radio-frequency resistance and inductance of coils within the range of frequencies used in radiotelephone broadcasting" (p. 651). This paper includes tables, and illustrations.
Date:
October 22, 1925
Creator:
Hund, August & De Groot, H. B.
Object Type:
Report
System:
The UNT Digital Library
Safety Rules for the Installation and Maintenance of Electrical Supply and Communication Lines: Comprising Part 2 of the Fourth Edition National Electrical Safety Code
Report containing information regarding "the construction and maintenance of overhead and underground electrical supply and communication lines" (p. ii).
Date:
April 15, 1927
Creator:
United States. Bureau of Standards.
Object Type:
Book
System:
The UNT Digital Library