The improved permissible flame safety lamps /
by L.C. Ilsley, A.B. Hooker, and E.J. Coggeshall.

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Main Author: Ilsley, L. C.
Related Names: Coggeshall, E. J.
Hooker, A. B. (Alva Britt), 1886-
United States. Bureau of Mines.
Language(s): English
Published: [Washington, D.C.] : United States Bureau of Mines, 1936.
Subjects: Safety lamps.
Physical Description: 10 p. : ill. ; 27 cm.
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