Publish Year Decade: 1930 - 1939 / Sudoc Stem: I 28.8 - Blacklight Search Results

Start Over Publish Year Decade 1930 - 1939 Sudoc Stem I 28.8

1. Respirators. Procedure for testing supplied-air respirators for permissibility; approved Aug. 9, 1937.

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: 1937
SuDoc number:: I 28.8:19A

2. Breathing apparatus. Procedure for establishing list of permissible self-contained oxygen breathing apparatus, fees, character of tests, and conditions under which mine rescue breathing apparatus will be tested; approved Aug. 12, 1935.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1935
SuDoc number:: I 28.8:13B

3. Explosives. Procedure for testing explosives for permissibility for use in coal mines, with test requirements, tolerance limits, and schedule of fees; approved Mar. 21, 1935.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: 1935
SuDoc number:: I 28.8:17 C