OSCILLATOR No. 24A
Oscillator No. 24A provides an audio frequency source of approximately 600 c/s, for the identification of cable pairs, which is obtained by a Receiver, Inset No. 1L and a Transmitter, Inset No. 13 placed together to interact acoustically.

Drawings - 63141 and 62556.

Circuit diagrams - LD113 and SA9078.

Specification - D1636.

Superseded by Oscillator No. 59A.
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Last revised: December 04, 2025
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