The Manganese Situation from a Domestic Standpoint (open access)

The Manganese Situation from a Domestic Standpoint

From page 1: The purpose of this circular is to show the degree of dependence of the United States upon foreign sources for the manganese required by its industries.
Date: April 1927
Creator: Furness, J. W.
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