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'Mica Strip With Notched Edges Ready for Winding.' One of four examples of photosensitive (selenium) material in various stages of construction. Fixed to wooden mount. Part of apparatus for transmitting pictures by telegraph (phototelegraphy). Designed and constructed by Dr Shelford Bidwell in 1881.

Mica Strip With Notched Edges Ready for Winding

1880-1900

'Mica Strip Wound With Wire.' One of four examples of photosensitive (selenium) material in various stages of construction. Fixed to wooden mount. Part of apparatus for transmitting pictures by telegraph (phototelegraphy). Designed and constructed by Dr Shelford Bidwell in 1881.

Mica Strip Wound With Wire

1880-1900

The Science Museum Group

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