ATM TELEPHONE
L.11280ATM TELEPHONE
L.11280TESTING HAND TELEPHONE
Testing Hand-Telephone
(B.P.O. No. 80 Mk. 236). For testing automatic telephone exchange equipment. Comprising cast aluminium case fitted with receiver, inset transmitter,
0.3 microfarad capacitor, and press key for closing the circuit. Includes two-way cord for connecting to test plug.
Taken from the 1951 ATM Catalogue
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Last revised December 01, 2007
FM2