Telegraph block instrument

Telegraph block instrument; GNR Telegraph block instrument; GNR Telegraph block instrument; GNR Telegraph block instrument; GNR Telegraph block instrument; GNR

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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License this image for commercial use at Science and Society Picture Library

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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Telegraph block instrument; GNR
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; GNR
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; GNR
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; GNR
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; GNR
Science Museum Group
© The Board of Trustees of the Science Museum

Telegraph block instrument; GNR. Pegging 1-needle absolute 3-position/indication with wood-handle and catch-handle/spike commutator. Maker: H. White & Co. (656).

Details

Category:
Signalling & Telecommunications
Object Number:
1964-330/143
type:
telegraph block instrument
credit:
Tyer and Company Limited