Publish Year Decade: 1920 - 1929 / Catalog Issue Year Decade: 1920 - 1929 / Sudoc Stem: C 22.10 - Blacklight Search Results

Start Over Publish Year Decade 1920 - 1929 Catalog Issue Year Decade 1920 - 1929 Sudoc Stem C 22.10

1. Coal. Fees for analyzing coal.

Corporate/Agency Authors:: Mines Bureau
Publisher:: Mines Bureau
Date:: Nov. 1, 1928
SuDoc number:: C 22.10:3 B

2. Hose masks. Procedure for testing hose masks for permissibility.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: Apr. 28, 1927
SuDoc number:: C 22.10:19

3. Electric lamps. Permissible, electric cap lamps, procedure in testing, fees charged, and requirements for approval.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: Dec. 14, 1926
SuDoc number:: C 22.10:6B

4. Explosives. Procedure for testing explosives used in metal mines, tunnels, quarries, and other engineering operations, with test requirements and schedule of fees.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: Apr. 3, 1926
SuDoc number:: C 22.10:1B

5. Explosives. Procedure for testing explosives for permissibility for use in coal mines, with test requirements, tolerance limits, and schedule of fees.

Corporate/Agency Authors:: Mines Bureau and Agriculture Department
Publisher:: Mines Bureau
Date:: Apr. 1, 1926
SuDoc number:: C 22.10:17 A

6. Methane detectors. Portable methane detectors, requirements for permissibility, tests made, and fees charged.

Corporate/Agency Authors:: Mines Bureau and Commerce Department
Publisher:: Mines Bureau
Date:: 1926
SuDoc number:: C 22.10:8 B