"Trident" electric log

Made:
1861-1873 in Birmingham
maker:
Thomas Walker
'Trident' electric log (or register) with rubber insulated 'Trident' electric log (or register) with rubber insulated 'Trident' electric log (or register) with rubber insulated

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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 

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

License

'Trident' electric log (or register) with rubber insulated
Science Museum Group
© The Board of Trustees of the Science Museum

'Trident' electric log (or register) with rubber insulated
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

'Trident' electric log (or register) with rubber insulated
Science Museum Group Collection
© The Board of Trustees of the Science Museum, London

'Trident' electric log (or register) with rubber insulated electrical wires on pivoting stand, by Thomas Walker and Son Ltd., Birmingham, England, 1861-1873

Details

Category:
Navigation
Object Number:
1954-32/2
Materials:
brass (copper, zinc alloy), enamel, rubber (unidentified), paint and electrical components
Measurements:
overall: 180 mm x 118 mm x 285 mm,
type:
navigational instrument and speedometer