Measuring and testing – Measuring vessel
Patent
1975-09-11
1976-11-30
Swisher, S. Clement
Measuring and testing
Measuring vessel
G01N 114
Patent
active
039941701
ABSTRACT:
A liquid sampler having an outer cylindrical liquid collecting container provided with a longitudinal opening or slot in the wall thereof, an inner tubular member mounted for rotation in the outer container provided with a substantial spiral slot or opening in the wall thereof whereas as the inner member rotates the longitudinal slot and the spiral slot provide a moving aperture for the collection of liquid samples at varying depths.
REFERENCES:
patent: 800819 (1905-10-01), Platt
patent: 1108278 (1914-08-01), Thomas
patent: 2164498 (1939-07-01), Clark
Jaffe Allen J.
Swisher S. Clement
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