Disc Actinometer (Autotype)

Disc Actinometer (Autotype)

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© The Board of Trustees of the Science Museum

Disc actinometer (autotype).

Details

Category:
Photographic Technology
Object Number:
1929-280
Materials:
cardboard, felt, glass, paper (fibre product), tin plated and wood (unidentified)
Measurements:
overall: 26 mm 52 mm, .052 kg
type:
exposure meter and actinometer
credit:
The Autotype Company Limited