Optics: measuring and testing – For light transmission or absorption – Of fluent material
Patent
1989-12-01
1991-12-03
McGraw, Vincent P.
Optics: measuring and testing
For light transmission or absorption
Of fluent material
356436, G01N 2185
Patent
active
050695525
ABSTRACT:
An apparatus for the analysis of a fluid flowing in a stream includes opposed hollow stems movable in a body member relative to each other. One stem contains a signalling source and the other contains a sensor for the signalling source.
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Cramer Gregory D.
Dupre Roger A.
Hitchcock George H.
E. I. Du Pont de Nemours and Company
Keesee, II LaCharles P.
McGraw Vincent P.
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