Soil sampling tool protects user from injury and resists effects of weather and hard use. Penetrometer has uses in construction, surveying, geological research and similar applications.
Safe, durable soil sampler
NASA Tech Briefs ; 3 , 4
1979-03-01
Miscellaneous
No indication
English
Soil mechanics surface sampler
NTRS | 1968
|NTIS | 1964
|Soil mechanics surface sampler
NTRS | 1969
|Engineering Index Backfile | 1939
Soil mechanics surface sampler
NTRS | 1969
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