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The Edison Swan Electric Co. Ltd Biography Biography
The Edison and Swan United Electric Light Co Ltd registered on the 26th October 1883 as the result of a court settlement related to infringement of patent rights to the light bulb brought by Thomas Edison against Joseph Swan who had received an English Patent for the incandescent lamp in 1878. The company continued to be known by this name until the early 1900s when the name Edison Swan Electric Co became more commonly used. As well as manufacturing light bulbs the company also set up the first radio thermionic valve production facility at Ponders End in 1916. Ediswan became a trade mark because of the earlier court ruling. The company eventually became part of British Thomson-Houston Co. In the same year with the creation of Associated Electrical industries and as part of the rationalisation of the group of companies. Production of Cosmos light bulbs was transferred to Edison Swan Electric Co Ltd from Metropolitan-Vickers Electrical Co Ltd in 1928

Scope and Content
Binder containig illustrated information leaflets about various types of electronic valves sold under the brandnames of Mazda and Ediswan. Types of valves include power amplifier & transmitting valves, mercury vapour rectifiers, cathod ray tubes, battery valves, A.C. main valves, A.C./D.C. mains valves and car-radio valves.
Physical description
Good
Language
English
Level of description
ITEM
Repository name
Science and Industry Museum

Associated people and organisations

The Edison Swan Electric Co. Ltd Biography Biography
The Edison and Swan United Electric Light Co Ltd registered on the 26th October 1883 as the result of a court settlement related to infringement of patent rights to the light bulb brought by Thomas Edison against Joseph Swan who had received an English Patent for the incandescent lamp in 1878. The company continued to be known by this name until the early 1900s when the name Edison Swan Electric Co became more commonly used. As well as manufacturing light bulbs the company also set up the first radio thermionic valve production facility at Ponders End in 1916. Ediswan became a trade mark because of the earlier court ruling. The company eventually became part of British Thomson-Houston Co. In the same year with the creation of Associated Electrical industries and as part of the rationalisation of the group of companies. Production of Cosmos light bulbs was transferred to Edison Swan Electric Co Ltd from Metropolitan-Vickers Electrical Co Ltd in 1928

Subject
Electrical engineering
Radios
Conditions governing access
Open access.
Conditions governing Reproduction
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions.