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Automatic switch hook, with handset console

Inventory number: T16 84.70.1.
Year of creation: 1890
Location: Hall 1

The hook (fork) of the receiver (handset) on the LB telephone set was named switch hook. This operates an electric contact, which, when the receiver is in on-hook position, connects the incoming line to the bell or, when the receiver is in off-hook position, powers the microphone with battery voltage and connects the incoming line to the receiver circuit.

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  • Automatic switch hook, with handset console

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