Hazards in use of delay-action detonators in coal mines.

Bibliographic Details

Other Authors:	Harrington, D. (Daniel), 1878-, Howell, S. P. (Spencer Pritchard), 1880-1937
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1929.
Series:	Mines Bur. Info. Circ. No. 6147
Subjects:	Detonators. Electronic books.
Online Access:	Connect to the full text of this electronic document