New developments in personal lighting systems for miners
By: by William H. Lewis and Elio Ferreira.
Contributors: Ferreira, Elio.; United States. Bureau of Mines.
Series: Information circular / United States Department of the Interior, Bureau of Mines ;; 8938; Information circular (United States. Bureau of Mines) ;; 8938.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1983
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 10
Subjects: Safety lamps.; Nickel-cadmium batteries.; Mine lighting -- Equipment and supplies.