Permissible Mine Equipment Approved to January 1, 1953

Permissible Mine Equipment Approved to January 1, 1953 With Appended List of Available Flame-lamp Fuels and Manufacturers of Flame-resistant Trailing Cables

Ernest J. Gleim, Robert Sloan James, Sara Jeannette Davenport, H. B. Link, Virginia E. Wrenn, Simon Harry Ash, Hilary Breton Brunot, James Patrick Coughlin, Seth T. Reese, G. G. Morgis, Elizabeth J. Reid, W. M. Romischer — 1954

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