Feedback/questions? Let me know.
WE 302 pushbutton prototype
1953
Bell Gallows Frame Phone Transmitter
1875
Early Prototype Uniphone Wall Phone
Northern Electric/Telecom · Model Uniphone · Prototypes, Wall, Canadian · Source/via: Doug Duffy (website)
About This Phone
This is an early prototype example.
Related PDFs
×
‹
![]()
›