Johnson's Actinometer (Autotype)

Made:: 1910-1920

Science Museum Group
© The Board of Trustees of the Science Museum

Johnson's actinometer (autotype), (single-tint print meter), 1910-1920.

Details

Category:: Photographic Technology

Object Number:: 1929-277

Materials:: tinplate, flass, cardboard, felt, wood and paper

Measurements:: overall: 36 mm x 34 mm x 42 mm, .058 kg

type:: exposure meter and actinometer

credit:: The Autotype Company Limited

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Johnson's Actinometer (Autotype)

Details

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