Collection

Heyde's Aktino-photometer

PART OF:: The Kodak Museum Collection

Made:: 1905-1935 in Germany

maker:: Gustav Heyde GmbH

Disc-cylindrical extinction meter (see 535 - smaller) rotating continuous wedge behind blue glass in eyepieces. 1 scale.

Details

Category:: Photographic Technology

Collection:: Kodak Collection

Object Number:: 1990-5036/536

Materials:: glass

type:: extinction calculator

credit:: The Kodak Collection at the National Media Museum, Bradford

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