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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
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