Colorimeter patented 1928 by Klett Manufacturing Co. Inc.

Colorimeter patented 1928 by Klett Manufacturing Co. Inc., New York, in fitted wooden box, plus separate box of 60 colour slides

Details

Category:: Optics

Object Number:: 1988-334

type:: colorimeter

credit:: Herts Optical Services

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Colorimeter patented 1928 by Klett Manufacturing Co. Inc.

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