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 Telecommunications Object Thesaurus Terms

This list of telecommunications objects shows the preferred and non-preferred terms in the thesaurus under the category 'electric telegraphs by method of operation'

Plural: 5-unit code telegraphs
Broader Term: electric telegraph
Plural: analogue telegraphs
Broader Term: electric telegraph
Narrower Terms: Teleautograph  Telewriter  
Scope Notes:
Plural: automatic telegraphs
Broader Term: electric telegraph
Scope Notes:
Plural: chemical telegraphs
Broader Term: electric telegraph
Scope Notes:
Plural: morse telegraphs
Broader Term: electric telegraph
Plural: multiplex telegraphs
Broader Term: electric telegraph
Narrower Terms: harmonic telegraph  
Scope Notes:
Plural: needle telegraphs
Broader Term: electric telegraph
Scope Notes: Form of electric telegraph in which characters are conveyed by centre-pivoted indicator needles. ...
Plural: printing telegraphs
Broader Term: electric telegraph
Use For: Hughes telegraph  
Scope Notes: A telegraph system where the message is printed alphanumerically.
Plural: start/stop telegraphs
Broader Term: electric telegraph
Scope Notes:
Plural: synchronous telegraphs
Broader Term: electric telegraph
Scope Notes:


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