NATIONAL TELEPHONE COMPANY
B90


Hand Micro-Telephones

Pattern No. B90
HAND MICRO-TELEPHONE
5- POINT


Comprises Granular Carbon Transmitter, Receiver (Double Pole), Cord Key, 5-way Plug, and 5-way Jack.

Hand Micro-Telephone, 5-point.

This is differentially and is for use in connection with special multiple Switchboard working, other same remarks apply as in the case of Pattern No. B80.


Last revised: December 23, 2002