Dering's single needle telegraph, 1852.

Made:
1852
Dering's single needle telegraph, 1852.

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Dering's single needle telegraph, 1852.
Science Museum Group

Dering's single needle telegraph, 1852.

Details

Category:
Telecommunications
Object Number:
1876-1284
type:
needles
credit:
H.M. Postmaster General