Telegraph block instrument; GNR. Sykes 2-needle 3-position absolute pegging/non-pegging instrument

Telegraph block instrument Telegraph block instrument 1994-7123_(0001)

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Telegraph block instrument
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument
Science Museum Group
© The Board of Trustees of the Science Museum

1994-7123_(0001)
Science Museum Group Collection

Telegraph block instrument; GNR. Sykes 2-needle (Up/Down Line) 3-position absolute pegging/non-pegging instrument (with internal bell). Ivorine-plated "TO PALMERS GREEN/PALMERS GREEN" with circular brass commutator (minus its central bell-plunger), rectangular electroplated/brass "Sykes" maker's plate, and semi-circular ivorine line-description plate.

Details

Category:
Signalling & Telecommunications
Object Number:
1994-7123
type:
telegraph instument
credit:
British Rail, Clapham