|
EBD I28.23-2545.D
|
Determination of fineness of powdered coal |
1 |
|
EBD I28.23-2546.D
|
Mine timber in Pennsylvania coal mines |
1 |
|
EBD I28.23-2547.D
|
Floating roof for oil tanks |
1 |
|
EBD I28.23-2548.D
|
Solubility of finely divided rock dusts in water, kerosene, and alcohol |
1 |
|
EBD I28.23-2550.D
|
Paraffin problem in oil wells |
1 |
|
EBD I28.23-2551.D
|
Distribution of air in metal-mine ventilation with especial reference to flexible tubing methods |
1 |
|
EBD I28.23-2552.D
|
Explosives used in ... |
1 |
|
EBD I28.23-2553.D
|
Gaseous content of ground waters as aid to petroleum and natural gas prospector |
1 |
|
EBD I28.23-2554.D
|
Cooling of mine air |
1 |
|
EBD I28.23-2555.D
|
Oxygen-oil explosions |
1 |
|
EBD I28.23-2556.D
|
Ferric sulphate and sulphuric acid from sulphur dioxide and air |
1 |
|
EBD I28.23-2557.D
|
Industrial accidents in California oil fields |
1 |
|
EBD I28.23-2558.D
|
Methods of testing detonators |
1 |
|
EBD I28.23-2560.D
|
Effect of silica in iron ore on cost of pig iron production |
1 |
|
EBD I28.23-2563.D
|
Effective temperatures for still air conditions and their application to mining |
1 |
|
EBD I28.23-2564.D
|
Conductivity and specific heat of refractories at high temperatures; general statement of problem with results on Georgia firebrick to 1700 degrees F |
1 |
|
EBD I28.23-2565.D
|
Kata thermometer; its value and defects |
1 |
|
EBD I28.23-2566.D
|
Third mine-rescue maneuvers at Globe, Ariz |
1 |
|
EBD I28.23-2567.D
|
Danger of open lamps in coal mines |
1 |
|
EBD I28.23-2568.D
|
Subject list of reports of investigations |
1 |
