Drem Justaphot extinction meter

Made:
1930 in Austria
maker:
Drem Products Limited

Justophot Automatic Drem Exposure Meter. Telescope-type meter; scales for time, speed and aperture; in leather case; in original box with instructions. White metal tube with eye-piece. box also contains leather case, abridged instructions and full instructions booklet. Patentee Dr Emille Meyer.

Details

Category:
Photographic Technology
Collection:
Kodak Collection
Object Number:
1990-5036/6669
Materials:
cardboard, glass, paper (fibre product) and white metal (unknown)
Measurements:
box: 53 mm x 135 mm x 47 mm,
case: 120 mm x 44 mm x 40 mm,
tube: 95 mm 26 mm,
eyepiece: 34 mm x 42 mm
abridged instructions: 137 mm x 100 mm
full instructions: 150 mm x 116 mm
type:
extinction meter
credit:
The Kodak Collection at the National Media Museum, Bradford