Mica Strip With Notched Edges Ready for Winding
'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.
Details
- Category:
- Telecommunications
- Object Number:
- 1908-141 Pt8
- Materials:
- mica and wood (unidentified)
- Measurements:
-
mica strip: 21 mm x 68 mm .05kg
- type:
- mica strip
- credit:
- Bidwell, Shelford
