TELEPHONE No. 716
Used as part of LST No. 1A and has capacity for 4 additional buttons.
Supersedes Telephone No. 708 which only had provision for one additional button.
This is a Telephone No. 710L which is modified for use with Control Unit 8A & Amplifier 138B with Connector 1018A.
Circuit Diagram - N816.
Drawing - 91718.
Last revised: December 19, 2019