skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
1 result returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Use of a type N miners' gas mask
Refine your search results
Published Year
1920-1929 (1)
Subject
Gas masks (1) *
Author
Katz, S. H. (1)
McCaa, George S., (1)
