| Call Number (LC) | Title | Results |
|---|---|---|
| I 28.8:7 |
Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees. Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees [approved] January 30, 1915 Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees |
3 |
| I28.8-7.1 | Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees. | 1 |
| I28.8-7.2 | Procedure for establishing list of permissible miners' flame safety lamps; character of tests, conditions under which lamps will be tested, and fees. | 1 |
| I28.8-7.3 | Procedure for establishing lists of permissible flame safety lamps and methane detectors of flame type; conditions under which tests will be made; requirements for approval; fees. | 1 |
| I 28.8:7A |
Procedure for establishing list of permissible miners' flame safety lamps; character of tests, conditions under which lamps will be tested, and fees. Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees [approved] December 20, 1920 |
3 |
| I 28.8:7B |
Procedure for establishing lists of permissible flame safety lamps and methane detectors of flame type; conditions under which tests will be made; requirements for approval; fees. Procedure for establishing list of permissible miners' safety lamps; character of tests, conditions under which lamps will be tested, and fees |
2 |
| I 28.8:7C | Approval schedule. : Flame safety lamps requirements for permissibility, tests made, and fees charged. | 1 |
| I28.8-8 | Procedure for establishing list of permissible methane indicators for mines; fees, character of tests, and conditions under which indicators will be tested. | 1 |
| I 28.8:8A |
Procedure for establishing list of permissible methane indicators for mines; fees, character of tests, and conditions under which indicators will be tested. Procedure for establishing a list of permissible methane indicators for mines. [Approved] August 25, 1920. Procedure for establishing list of permissible methane indicators for mines; fees, character of tests, and conditions under which indicators will be tested |
3 |
| I28.8-9 | Procedure for establishing list of permissible telephones for use in coal mines. | 1 |
| I 28.8:9A |
Procedure for establishing list of permissible telephones for use in coal mines. Procedure for establishing list of permissible telephones for use in coal mines |
2 |
| I 28.8:9B |
Permissible telephones and signaling devices, requirements for permissibility, tests made, and fees charged. Permissible telephones and signaling devices, requirements for permissibility, tests made, and fees charged, approved October 25, 1938. |
3 |
| I28.8..9B | Permissible telephones and signaling devices, requirements for permissibility, tests made, and fees charged. | 2 |
| I28.8-10 | Procedure for establishing list of permissible electric hand lamps, trip lamps, animal lamps, and rescue lamps for use in gaseous mines; fees, character of tests, and conditions under which tests and inspections will be made. | 1 |
| I 28.8:10A |
Procedure for establishing list of permissible electric hand lamps, trip lamps, animal lamps, and rescue lamps for use in gaseous mines; fees, character of tests, and conditions under which tests and inspections will be made. Procedure for establishing list of permissible electric hand lamps, trip lamps, animal lamps, and rescue lamps for use in gaseous mines; fees, character of tests, and conditions under which tests and inspections will be made |
2 |
| I 28.8:11 |
Procedure for establishing list of permissible flash lamps for service where gasoline vapors may inadvertently occur; fees, character of tests, and conditions under which lamps will be tested. Procedure for establishing list of permissible flash lamps for service where gasoline vapors may inadvertently occur; fees, character of tests, and conditions under which lamps will be tested |
2 |
| I28.8-11 | Procedure for establishing list of permissible flash lamps for service where gasoline vapors may inadvertently occur; fees, character of tests, and conditions under which lamps will be tested. | 1 |
| I 28.8:12 |
Procedure for establishing list of permissible single-shot blasting units; character of tests, conditions under which units will be tested, and fees. Procedure for establishing list of permissible single-shot blasting units; character of tests, conditions under which units will be tested, and fees Procedure for establishing a list of permissible single-shot blasting units. : Character of tests, conditions under which the units will be tested, and fees. |
3 |
| I28.8-12 | Procedure for establishing list of permissible single-shot blasting units; character of tests, conditions under which units will be tested, and fees. | 1 |
| I 28.8:12C |
Approval Schedule, Single-Shot Blasting Units : Requirements for Permissability Tests Made, and Fees Charged, Approved July 16, 1940. Approval schedule. : Single-shot blasting units: requirements for permissibility tests made, and fees charged. [Approved] July 16. 1940. |
3 |
