Approved Explosion-Proof Coal-Cutting Equipment Page: I
74 p. : ill.View a full description of this report.
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BullQtin 78
DEPARTMENT OF THE INTERIOR
FRANKLIN K. LANE, SECRETARY
BUREAU OF MINES
VAN. H. MANNING, DIRECTOR
APPROVED EXPLOSION-PROOF
COAL-CUTTING EQUIPMENT
BY
L. C. ILSLEY AND E. J. GLEIMWASHINGTON
GOVERNMENT PRINTING OFFICE
1920
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Ilsley, L. C. & Gleim, E. J. Approved Explosion-Proof Coal-Cutting Equipment, report, 1920; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc12290/m1/1/: accessed April 18, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.