Highton's single needle telegraph, 1848.

Made:
1848
Highton's single needle telegraph, 1848.

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

Highton's single needle telegraph, 1848.
Science Museum Group

Highton's single needle telegraph, 1848.

Details

Category:
Telecommunications
Object Number:
1876-1282
type:
needles
credit:
H.M. Postmaster General