Receiver, Inset No. 1L
Used in most early Bakelite handsets. 80 ohms
resistance.
Superseded by the Receiver, Inset No. 2P.
Always used with an Earpiece No. 18 and Diaphragm No. 12 (Stalloy
- 52mm diameter).
Note the exposed coils in the centre of the
receiver.
Ensure that spring washers are fitted to the fixing
screws.
See picture below for Pole Grinding in the factory.
Drawing - 62390 (Mark 3).
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