Telegraph block instrument; 3-position single-needle
- maker:
- Electric Telegraph Company
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LicenseThis image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
Licence
License this image for commercial use at Science and Society Picture Library
LicenseThis image is released under a CC BY-NC-SA 4.0
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License this image for commercial use at Science and Society Picture Library
LicenseTelegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle
Science Museum Group
© The Board of Trustees of the Science Museum
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Telegraph block instrument; 3-position single-needle, above which is a 2 horizontally-mounted steel-electromagnet mechanism. The whole is encased in a glass-fronted wood-cabinet with wooden base. Attached to the base are 2 sets of outside terminals and a rectangular brass maker's plate inscribed: "Electric Telegraph Company No. 68 Varley - Maker - London".
