1897 telegraph inking register.
Previously:
Tone generator - GIF
Maintaining telephone switches in the 1930s - photo
Barbed wire telephone lines - photos
1855 Hughes teleprinter - photo
Electromechanical teleprinter - GIF
1897 telegraph inking register.
Previously:
Tone generator - GIF
Maintaining telephone switches in the 1930s - photo
Barbed wire telephone lines - photos
1855 Hughes teleprinter - photo
Electromechanical teleprinter - GIF
rlm98253 (Aug 7, 2021)
There are currently 1 users browsing this thread. (0 members and 1 guests)
Bookmarks