AC relay to switchboard used on old magneto circuits to ring exchange

SMG00305579
Science Museum Group
© The Board of Trustees of the Science Museum

AC relay to switchboard used on old magneto circuits to ring exchange, Newport station exchange

Details

Category:: Telecommunications

Object Number:: 1971-333

type:: switchboard

credit:: British Railways, Western

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AC relay to switchboard used on old magneto circuits to ring exchange

Details

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