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

Made:
1881 in United Kingdom

Selenium cells and model apparatus for transmitting pictures by telegraph (phototelegraphy). Designed and constructed by Dr Shelford Bidwell in 1881. Mounted on board. (Seven parts, 1908-141/1 to 1908-141/7).

Details

Category:
Telecommunications
Object Number:
1908-141
type:
demonstration model
credit:
Bidwell, Shelford