skip to content
Search
Search U.S. government technical reports digitized or harvested by
TRAIL
.
Keyword Search
Enter your search term(s):
[advanced search]
2 results returned
Browse TRAIL Inventories
(opens in new tab)
Search results
Charts for determining the performance of centrifugal fans
Some observations on coal-mine fans and coal-mine ventilation
Refine your search results
Published Year
1930-1939 (2) *
Subject
Fans (Machinery) (2) *
Mine explosions (1)
Mine safety--United States (1)
Mine ventilation (1)
Mines and mineral resources--United States--Safety measures (1)
Author
Denny, E. H. (1)
Harrington, D. (1)
McElroy, G. E. (1)
