Telegraph block instrument, Preece's type
- maker:
- William Henry Preece
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
This image is released under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence
Telegraph block instrument, Preece's type
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument, Preece's type
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; block section release with combined bell; Preece's type. Absolute single-semaphore (lower-quadrant/red with white spot) block-indicator 2-position / 2-indication ("Line Blocked"/"Line Clear"), mounted on a vertical brass-finialled post in a large rectangular brass bezel. Above this is a dynatape-label "No 2 Road Up Ascot A" and below is an ivorine plate "No 2 Road Ascot A". The blanked-off semicircular bezel hides redundant signal-information, while above, in the recessed top of the instrument, is a blockbell-dome with striker.
On display
National Railway Museum: Warehouse
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Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1996-7018
- type:
- telegraph instrument
- credit:
- British Rail
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