Tyers Type Signalling Block Instrument

Tyers Type Signalling Block Instrument Tyers Type Signalling Block Instrument Tyers Type Signalling Block Instrument Tyers Type Signalling Block Instrument

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Signalling block instrument, Tyers type, permissive, sending and receiving, brass plate attached "Down Line"

Details

Category:
Signalling & Telecommunications
Object Number:
1994-8766
type:
block instrument
credit:
British Rail, Clapham