Intermediate block instrument

Block instrument, Southern Railway
Science Museum Group Collection

Block instrument; SR. Intermediate slide-lever frame, 1-needle (red) 3-position/3-indication "On/Out/Off" in bezelled circular aperture. Beneath is a rectangular engraved-brass plate with rounded corners: "No.22 Langley Intermediate up Home and Distant", an alloy Maker's Plate, and an electroplated-brass catch-handled slide-bar. Cast-iron cabinet with wood front. Ex Liss SB.

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National Railway Museum: Warehouse

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Signalling & Telecommunications
Object Number:
block instrument

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