Pollock, Vande Sande & Priddy
Probe for a radiometer
 An instrument for measuring radiation including a probe for collecting light. The probe includes a diffusive reflective surface at the forward end of the probe and an aperture block containing a pair of apertures to direct light reflected from the reflector to an optical waveguide and then to a light sensor and display unit. 
Fusion Systems Corporation
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Robert D. James D. Delroy O.
Wooten Hill Walker