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Start Over You searched for: Creator Photovolt Corporation Remove constraint Creator: Photovolt Corporation Department Museum Remove constraint Department: Museum Genre Scientific apparatus and instruments Remove constraint Genre: Scientific apparatus and instruments Rights Public Domain Mark 1.0 Remove constraint Rights: Public Domain Mark 1.0 Date 1940 Remove constraint Date: <span class="single" data-blrl-single="1940">1940</span>-
Lumetron Photoelectric Colorimeter Model 400-A
- 1940s
Electric-powered meter with instructions housed in wooden box. Movable components within box: two (2) slide glass filters (1 with red, green, and blue slides; 1 with orange, green, and blue slides); one (1) encasing to…
- Manufacturer Photovolt Corporation
- Subject Colorimetry--Instruments, Photovolt Corporation