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
Energetics of percussive drills-longitudinal strain energy
Refine your search results
Published Year
1960-1969 (1)
Subject
Boring (1)
Boring machinery (1) *
Author
Anderson, C. F. (1)
Lundquist, Robert G. (1) *