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Visual extinction meter, telescope type, with case and instructions. Calibrated f/2.8-22 FPS 1-128. Film speed 17-30 degrees Sch. Kodacolor scale.

Drem Cine Meter

c. 1939

Extinction type exposure meter. Telescope form. One of three numbers 1/25, 1/5 and 2m selected by clickstop ring. Adjustable ring for exposure. 1/500 sec to 30min. Aperture f/1-32. Film speed 21-31 degrees Sch. Fileter factors 2-8. Sliding adjustment focusing. c.1934

Drem Justaphot Exposure Meter

1929-1939

Justophot exposure meter, model 4. Extinction type meter. Brightness of of four figures: 1/25 1/5, 8, 2 varied by adjusting ring. Telescope form focusing. Aperture, shutter and filmspeed scales.

Justophot exposure meter model 4

Drem cine meter instructions

Drem cine meter instructions

c. 1939

Drem justaphot exposure meter leather case. 1934

Leather Case For Drem Justaphot Exposure Meter

1929-1939

Visual extinction meter, telescope type. Calibrated f/2.8-22 FPS 1-128. Film speed 17-30 degrees Sch. Kodacolor scale.

Drem Cine Meter

Drem cine meter case

Drem cine meter case

c. 1939

The Science Museum Group

Locomotion
Locomotion
National Railway Museum
National Railway Museum
National Science and Media Museum
National Science and Media Museum
Science and Industry Museum
Science and Industry Museum
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Science and Innovation Park
Science Museum
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