Block instrument (sending/receiving) - Caledonian Railway

Block instrument (sending/receiving) - Caledonian Railway Block instrument (sending/receiving) - Caledonian Railway

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Block instrument (sending/receiving) - Caledonian Railway
Science Museum Group
© The Board of Trustees of the Science Museum

Block instrument (sending/receiving) - Caledonian Railway
Science Museum Group
© The Board of Trustees of the Science Museum

Block instrument; Caledonian Railway. Tyer's 2-needle (Up/Down Line) F-Type 3-position absolute pegging/non-pegging instrument (with internal bell). Has circular, electroplated/brass line-description plate ("Greenhill Lower"), bakelite-wedge commutator, electroplated bell-plunger (bottom/RHS), and bakelite release-button in circular aperture (middle/RHS).

Details

Category:
Signalling & Telecommunications
Object Number:
1994-8772
type:
block instrument
credit:
British Rail, Clapham