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 Telecommunications Object Thesaurus Terms

This A-Z list of telecommunications objects shows the preferred and non-preferred terms in the thesaurus.

Plural: 3000-type relays
Top Term: common component
Broader Term: relay
Plural: 3-way pneumatic valves
Broader Term: pneumatic valve
Scope Notes: Valve for use directly below a Switch, Pneumatic, No. 6.
Official Title: Valves, Pneumatic, ...
Plural: 5-unit code telegraphs
Broader Term: electric telegraph
Plural: 600-type relays
Top Term: common component
Broader Term: relay
Scope Notes: Family of electromagnetic relays, used in various applications, in many configurations.

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The UK's first permanent gallery dedicated to the history of information and communication technologies opens in the new Information Age gallery at London’s Science Museum.

audio history

Take a trip down memory lane with extracts of the interviews which have been recorded as part of the Connected Earth oral history programme.

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100 years of automatic switching!
In 1912 the GPO installed Britain's first automatic telephone exchange in Epsom.

Discover the early days of the telephone...