Telephone generator

Siemens Brothers and Company Limited, Manufacturer;  Ericsson Telephone Limited, Manufacturer; 

Circa 1938
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Details


Maker and Role
Siemens Brothers and Company Limited, Manufacturer
Ericsson Telephone Limited, Manufacturer
Production Date
Circa 1938
Description
This hand-cranked generator has been removed from an old telephone. It was used to generate a ringing current for ‘party-line’ telephones. Blue metal generator with four brackets at base to attach to telephone. Yellow and blue wires extend from sides. 75 volts alternating current.
Media/Materials
Processed Material/Metal
Signature/Marks and Type
26AE/3 / N4649B Printed
Patent Nos. / British 503759 / Australian 104928 / New Zealand 79248 / South African 44/38 Printed
Accession No
1982.650
Credit Line
Siemens Brothers and Company Limited et al. Circa 1938. Telephone generator, 1982.650. The Museum of Transport and Technology (MOTAT).
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I have one in similar condition without the wires. It belonged to my Grandfather who had a party line telephone in the town of Burra South Australia.

- Rose Dunn

Posted on 18-05-2020 05:59:40