Block Signal Switch

maker:
William Henry Preece
Block instrument; a Preece switch-handle "Off/On" commutator Block instrument; a Preece switch-handle "Off/On" commutator Block instrument; a Preece switch-handle "Off/On" commutator Block instrument; a Preece switch-handle "Off/On" commutator Block instrument; a Preece switch-handle "Off/On" commutator Block instrument; a Preece switch-handle "Off/On" commutator Block instrument; a Preece switch-handle "Off/On" commutator

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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

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

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

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

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

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group
© The Board of Trustees of the Science Museum

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group
© The Board of Trustees of the Science Museum

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group
© The Board of Trustees of the Science Museum

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group
© The Board of Trustees of the Science Museum

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group

Block instrument; a Preece switch-handle "Off/On" commutator
Science Museum Group

Block instrument; a Preece switch-handle "Off/On" commutator, which would normally accompany its Preece instrument. A wooden-handled brass switch mounted on a square board with 3 brass terminals at rear.

Details

Category:
Signalling & Telecommunications
Object Number:
1911-49
type:
block signal switch
credit:
H.M. Postmaster General