Pair of telephone relays in wooden case

Made:: London

maker:: Sidney George Brown

Pair of telephone relays in wooden case, S.G

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Pair of telephone relays in wooden case, S.G
Science Museum Group
© The Board of Trustees of the Science Museum

Pair of telephone relays in wooden case, S.G. Brown, 4 Great Winchester Street, Patent No. j27953-1911

Details

Category:: Telecommunications

Object Number:: 1972-395

type:: telephone relay

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Pair of telephone relays in wooden case

Details

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