Rubber-Sheathed Trailing Cables
Description:
From Introduction: "This paper records activities of the United States Bureau of Mines covering several years and reflects its endeavor to be of service to the coal-mining industry in procuring safer trailing cables for use on permissible machines."
Date:
1932
Creator:
Ilsley, L. C.; Hooker, A. B. & Coggeshall, E. J.
Item Type:
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