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4
Non-Commercial Use
4
Category
Telecommunications
5
Maker
Autophone
2
Multitone Electronics
1
Object type
intercom
5
Place
England
2
England, United Kingdom
2
London
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Dictograph 11-way office intercom unit with talk back and listening facilities
Multitone Electronics model P440 intercom
Shipton 20-way office intercom unit
Dictograph 8-way office intercom unit, desk type
Pair sterling intercom units; wall type
Pair sterling intercom units; wall type