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
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
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
Cooperative Measurements of Radio Fading in 1925 (open access)

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