Suggestions for the Design of Electrical Accessories for Permissible Mining Equipment

Author:	Ilsley, L. C.
Year:	1926
Document Type:	N/A
SUDOC:	C 22.3:258
Series:	United States Bureau of Mines Reports
Report Number:	Bulletin 258
Subject:	Electricity in mining.
Link:	http://digital.library.unt.edu/ark:/67531/metadc38766/