Report of the Twenty-Second National Conference on Weights and Measures, 1929 (open access)

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
Report of the Twenty-First National Conference on Weights and Measures, 1928 (open access)

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

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
Compressibilities of gases (open access)

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
National Electrical Safety Code, 4th edition (open access)

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

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
Mollier Chart of Properties of Ammonia, 1923 (open access)

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
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 (open access)

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 illustrations from Delaware River Bridge.
Date: March 10, 1926
Creator: United States. Bureau of Standards.
Object Type: Report
System: The UNT Digital Library
U.S. Bureau of Standards Annual Report: 1921 (open access)

U.S. Bureau of Standards Annual Report: 1921

Report describing the functions and operations of the United States Bureau of Commerce and its divisions during the fiscal year.
Date: July 1921
Creator: United States. Bureau of Standards.
Object Type: Report
System: The UNT Digital Library
Annual Report of the Director of the Bureau of Standards to the Secretary of Commerce for the Fiscal Year Ended June 30, 1922 (open access)

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
Report of the Nineteenth National Conference on Weights and Measures, 1926 (open access)

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 (open access)

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
Safety Rules for the Installation and Maintenance of Electrical Supply and Communication Lines: Comprising Part 2 of the Fourth Edition National Electrical Safety Code (open access)

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
National Bureau of Standards: Its Functions and Activities (open access)

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
Operation and Care of Vehicle-Type Batteries (open access)

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
Tables of Thermodynamic Properties of Ammonia (open access)

Tables of Thermodynamic Properties of Ammonia

A report containing tables of thermodynamic properties of ammonia.
Date: April 16, 1923
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Motor-Vehicle Headlighting (open access)

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
The Ultra-Violet and Visible Transmission of Various Colored Glasses (open access)

The Ultra-Violet and Visible Transmission of Various Colored Glasses

Technical paper issued by the Bureau of Standards over studies conducted on transmissions of ultra-violet energy through different colored glasses. As stated in the introduction, "in the present paper are given the transmissions for the visible and ultra-violet of a large number of glasses, mostly colored, which are not used primarily for eye protection, but which are useful for various other purposes" (p. 3). This paper includes illustrations, and photographs.
Date: March 19, 1920
Creator: Gibson, K. S.; Tyndall, E. P. T. & McNicholas, H. J.
Object Type: Report
System: The UNT Digital Library
Use of Sulphite Cellulose Extract as a Tanning Material (open access)

Use of Sulphite Cellulose Extract as a Tanning Material

Report issued by the Bureau of Standards over chemicals used for tanning leather hides. As stated in the introduction: "an investigation was conducted to determine the suitability of sulfite cellulose extracts, derived from the waste liquors discharged from paper pulp mills, for use in tanning hides for the manufacture of leather" (p. 309). This report includes tables, and photographs.
Date: November 1, 1926
Creator: Wallace, E. L. & Bowker, Roy Clement
Object Type: Report
System: The UNT Digital Library
Comparison of American, British, and German Standards for Metal Fits (open access)

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
Radio-Frequency Resistance and Inductance of Coils Used in Broadcast Reception (open access)

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
Endurance Tests of Tires (open access)

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
Tests of Large Columns with H-Shaped Sections (open access)

Tests of Large Columns with H-Shaped Sections

Report issued by the Bureau of Standards over studies conducted on h-shaped columns. Physical and chemical tests were conducted on different types of columns. The results are presented and discussed. This report includes tables, illustrations, and photographs.
Date: June 11, 1926
Creator: Tuckerman, L. B. & Stang, A. H.
Object Type: Report
System: The UNT Digital Library
Fire Tests of Building Columns (open access)

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