Information circulars. 7624. Minimizing lire hazards in coal mines by proper circuit-breaker protection of 250 275-volt direct-current systems; by F. J. Gallagher.
Publication Title:
Minimizing lire hazards in coal mines by proper circuit-breaker protection of 250 275-volt direct-current systems; by F. J. Gallagher.
Display Title:
Information circulars. 7624. Minimizing lire hazards in coal mines by proper circuit-breaker protection of 250 275-volt direct-current systems; by F. J. Gallagher.
Series Title:
Information circulars.
Corporate Agency Authors:
Mines Bureau and Interior Dept.
Sort Author:
Mines Bureau
Authors:
Gallagher, F. J.
Date:
Dec. 1951
Publish Date ISO Format:
1951-12-01T00:00:00Z
Publication Start:
19511201
Publication End:
19511231
Corporate/Agency Author:
Mines Bureau
Publication month:
1
Publication year:
1951
SuDoc number:
I 28.27:(nos.)
Description:
[3]+11 p. 6 pl. 4°
Notes:
[Processed.]
Notes:
[Processed.] † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
Availability:
† Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.