Two polarised relays 4500/4500 used on 4-button selective omnibus circuits

Two polarised relays 4500/4500 used on 4-button selective omnibus circuits, Newport station exchange

Details

Category:
Telecommunications
Object Number:
1971-332
type:
polarised relay
credit:
British Railways, Western

Parts

Polarised relay used on 4-button selective omnibus circuits

Polarised relay used on 4-button selective omnibus circuits

Polarised relay 4500/4500 used on 4-button selective omnibus circuits, Newport station exchange.

Materials:
wood (unidentified) and metal (unknown)
Object Number:
1971-332/1
type:
polarised relay
Image ©
The Board of Trustees of the Science Museum
Polarised relay used on 4-button selective omnibus circuits

Polarised relay used on 4-button selective omnibus circuits

Polarised relay 4500/4500 used on 4-button selective omnibus circuits, Newport station exchange.

Materials:
wood (unidentified) and metal (unknown)
Object Number:
1971-332/2
type:
polarised relay
Image ©
The Board of Trustees of the Science Museum

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