NATIONAL TELEPHONE COMPANY
| |||||||
 GRANULAR
CARBON HAND TRANSMITTERTransmitter with battery key in handle. This type is
arranged for the purpose of converting existing Blake Transmitters. |
|||||||
Last revised: November 17, 2025FM2 |
NATIONAL TELEPHONE COMPANY
| |||||||
| GRANULAR
CARBON HAND TRANSMITTER Transmitter with battery key in handle. This type is
arranged for the purpose of converting existing Blake Transmitters. |
|||||||
Last revised: November 17, 2025FM2 |