Heyde's Actino Photometer

PART OF:
The Kodak Museum Collection
Made:
circa 1930 in Germany
maker:
Gustav Heyde GmbH

Extinction meter for use of ground glass screen. Blue filter in eyepiece. f/4.5-36 aperture range. 80 secs to 1/200 sec time range. Pressed metal circular case containing white metal meter. Cardboard and metal liner in case.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/3153
Materials:
white metal (unknown), paper (fibre product) and cardboard
Measurements:
case: 27 mm, 65 mm,
photometer: 16 mm, 60 mm,
type:
extinction meter
credit:
The Kodak Collection at the National Media Museum, Bradford