Collection

Example of photosensitive (selenium) material c 1890

PART OF:: Selenium cells and model apparatus for transmitting pictures by telegraph, 1881

Made:: 1880-1900 in United Kingdom

One of four examples of photosensitive (selenium) material in various stages of construction. Fixed to wooden mount.

Details

Category:: Telecommunications

Object Number:: 1908-141 Pt2

Materials:: selenium, wood (unidentified) and brass (copper, zinc alloy)

Measurements:: selenium cell: 20 mm x 100 mm x 6 mm, 0.05kg

type:: photosensitive material sample

credit:: Bidwell, Shelford

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