NASA NTRS · 19710000158
A lightweight, high output soil sampler
Abstract
Sampler is useful on or under earth's surface or on sea bottom. Larger sample amount is obtained relative to sampler size and weight and limited particle size sample material is continuously delivered. Silicone rubber linear in transport tube nearly eliminates grinding or particulate processing during sampling, and reduces required torque.
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Howard, E. A., Imus, R. E., Stockwell, D. W.. 1971-06-01. A lightweight, high output soil sampler. https://ntrs.nasa.gov/citations/19710000158
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