SIEMENS & HALSKE No. 4071

No. 4071
Wall telephone for magneto call in polished walnut case, desk shape, comprising transmitter mounted on adjustable arm, 'spoon' receiver with two conductor cord, automatic switch hook, induction coil, alternating current bell with 300 ohms resistance, specially strong magneto with 3 magnets, and terminals, for signalling through about 33,000 ohms.

Net weight about 5.33 kgs.

See also Telephone No. 4072 and  Telephone No. 4073.

Taken from the Siemens & Halske Telephone Catalogue 1912

 

 
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Last revised: May 05, 2023

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