Block instrument (sending/receiving)

Block instrument (sending/receiving) Block instrument (sending/receiving) Block instrument (sending/receiving)

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

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

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

Block instrument; BR (ScR; Irving). Pegging 2-needle (top-pivotted) Down/Up-Line absolute 3-position/indication, with black-wedge rotary commutator.

Details

Category:
Signalling & Telecommunications
Object Number:
1994-8778
type:
block instrument
credit:
British Rail, Clapham