|
EBD I28.23-2569.D
|
Lignite carbonization |
1 |
|
EBD I28.23-2570.D
|
Float-and-sink method and apparatus for testing coarse-size coal |
1 |
|
EBD I28.23-2571.D
|
Ash in anthracite |
1 |
|
EBD I28.23-2572.D
|
Carbon monoxide fatalities from natural-gas heaters investigated by Bureau of Mines in Pittsburgh district during past year |
1 |
|
EBD I28.23-2575.D
|
Tests of lignite char as reduction fuel in smelting of zinc ores |
1 |
|
EBD I28.23-2576.D
|
Underground signalling for mines by ground-conduction or "T.P.S." method |
1 |
|
EBD I28.23-2578.D
|
Process for production of sponge iron |
1 |
|
EBD I28.23-2582.D
|
Distribution of sulphur in crude petroleum |
1 |
|
EBD I28.23-2583.D
|
Hazards of non permissible explosives |
1 |
|
EBD I28.23-2584.D
|
Some effects on man of high temperatures |
1 |
|
EBD I28.23-2585.D
|
Mining limestone for lime manufacture |
1 |
|
EBD I28.23-2586.D
|
Float-and-sink test for fine coal |
1 |
|
EBD I28.23-2587.D
|
New uses of nonmetallic minerals |
1 |
|
EBD I28.23-2588.D
|
Fractional "eduction" of oil from oil shale |
1 |
|
EBD I28.23-2590.D
|
Development of workmen's compensation insurance for metal mines |
1 |
|
EBD I28.23-2591.D
|
Carbon monoxide self-rescuer |
1 |
|
EBD I28.23-2592.D
|
Coal-mine fatalities in U.S. and Europe |
1 |
|
EBD I28.23-2593.D
|
Carbon monoxide poisoning in homes and industries |
1 |
|
EBD I28.23-2594.D
|
Tests of commercial solution used to reduce hazard of CO poisoning in garages |
1 |
|
EBD I28.23-2595.D
|
Properties of typical crude oils from producing fields of California |
1 |
