- Use Of The Hydrogen-volatile-matter Ratio In Obtaining The Net Heating Value Of American Coals...
- The Sugar-Tube Method of Determining Rock Dust in Air
- Notes On The Sampling And Analysis Of Coal
- Test Of Gas Masks And Respirators For Protection From Locomotive Smoke In Railroad Tunnels With Analysies Of Tunnel Atmospheres
- Test Of Gas Masks And Respirators For Protection From Locomotive Smoke In Railroad Tunnels With Analysies Of Tunnel Atmospheres






