Tyers patent permissive slide release tablet instrument

Tablet Instrument; Tyers patent permissive slide release plunger; metal cased instrument on wooden stand

Details

Category:
Signalling & Telecommunications
Object Number:
1976-9205
Measurements:
overall: 1340 mm x 465 mm x 820 mm,
type:
tablet instrument
credit:
British Rail S & T Dept., Norfolk

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