| |||||||
| "THE PHANTOPHONE"
Click here for more information on Phonopore Telephones
|
|||||||
Last revised: February 27, 2021FM2 |
| |||||||
| "THE PHANTOPHONE"
Click here for more information on Phonopore Telephones
|
|||||||
Last revised: February 27, 2021FM2 |
ATM TELEPHONE
T.707
For
simultaneous telephony on telegraph and block signalling circuits.