Shipton 20-way office intercom unit

Shipton 20-way office intercom unit, with talk back

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Shipton 20-way office intercom unit, with talk back
Science Museum Group

Shipton 20-way office intercom unit, with talk back, listening and dial out facilities, desk type

Details

Category:
Telecommunications
Object Number:
1970-260
type:
intercom
credit:
Atkinson, Dr.