Telegraph block instrument; Walker's type
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LicenseThis image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
BuyLicense this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0 Licence
Buy this image as a print
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LicenseTelegraph block instrument; Walker's type
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; Walker's type
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; Walker's type
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; Walker's type
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; Walker's type. Sykes' absolute combined Lock and Block with 2-position/2-indication double (lower-quadrant) red semaphore-arm block-indicators mounted on a brass finialled-post encased in a circular brass-bezelled aperture. Below this is a traffolyte plate inscribed "Hollingbourne", and a bakelite/brass bell-tapper to the RHS of which is a bakelite commutator. A brass bell-dome assembly is attached at the rear.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1996-7027
- type:
- telegraph instrument
- credit:
- British Rail
