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Holophane-Edgcumbe Auto-Photometer
OPTOMETRIC INSTRUMENTS
photometer; light meter
Everett, Edgcumbe and Co
Europe: United Kingdom, England, London, Hendon
Mid 20th c.
metal; (case) leather; wood

Light meter with sensor unit, rubber flex and round dial counter with two scales marked in foot candles. Scale A 0-30. Scale B 0-150. Rigid outer carrying case with metal clasp and leather handle. Instruction card.


1999.64

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