Pattern No. B85
HAND MICRO-TELEPHONE - 4-POINT
Comprises Granular Carbon Transmitter, Receiver (Double Pole), Cord, Switch Key, 4-Way Plug, and 4-Way Jack.
Hand Micro-Telephone, 4-point. Although a very cheap form of Hand Micro-Telephone, this Pattern will be found to be quite efficient.
It is suitable for replacements on Intercommunication Telephones, etc.