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Title
Advertising poster for Vyle’s polarised polechanger entitled 'Wherever Telegraph Men foregather'
Reference
MS/2159/8

Creator

Automatic Telephone Manufacturing Company Biography Biography
Company name was changed to Automatic Telephone and Electric Company in 1936. Merged with The Plessey Company Ltd and Ericsson Telephones Ltd in 1961 to form Plessey Telecommunications Group (now Plessey Communications Ltd)

Extent
1 item
Physical description
Framed and glazed
Language
English
Level of description
FILE
Repository name
Science Museum, London

Associated people and organisations

Vyle, Charles Clement Biography Biography
Charles Clement Vyle worked in the Engineering section in Post Office Telegraphs. He invented or helped to develop various items of telegraphic equipment. One of the most important of these was his polarised sounder which was more sensitive than conventional sounders and could therefore work over longer distances. He also invented (with E V Smart) a duplex telegraph system.

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
Related items
1927-1080
1927-1081

Hierarchy browser

contains 9 partsTOPMS/2159 Archive of Charles Clement Vyle
- FILEMS/2159/8 Advertising poster for Vyle’s polarised polechanger entitled 'Wherever Telegraph Men foregather'