Display case of various types of Strowger telephone relays

Made:
1926
Display case of various types of Strowger telephone relays

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Display case of various types of Strowger telephone relays
Science Museum Group
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Display case of various types of Strowger telephone relays (1926)

Details

Category:
Telecommunications
Object Number:
1970-532
type:
case - container
credit:
Plessey Telecommunications