Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Comparison of Gas Masks, Hose Masks, and Oxygen-Breathing Apparatus

Published Year

• 1920-1929 (1)

Subject

• Breathing apparatus. (1)
• Gas masks. (1)
• Mine safety. (1) *

Author

• Katz, S. H. (1) *

• About TRAIL
• FAQ
• Join TRAIL
• Contact Us

Search developed and maintained by the University of Washington Libraries
Copyright 2010