'Thunder pump' magneto-electric device, 1856

Made:
1856 in London
'Thunder pump' magneto-electric device, 1856 'Thunder pump' magneto-electric device, 1856 'Thunder pump' magneto-electric device, 1856

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

Buy this image as a print 

Buy

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

License

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

'Thunder pump' magneto-electric device, made by W T Henley's Telegraph Works Company Limited, London, England, 1856.

This design of magneto-electric machine was used by the Electric Telegraph Company. Pumping the handle created a strong alternating current, which rang a call bell at the far end.

Details

Category:
Telecommunications
Object Number:
1876-1375
Materials:
wood (unidentified), brass (copper, zinc alloy), steel (metal) and silk
Measurements:
overall: 195 mm x 460 mm x 250 mm, 12.52 kg
type:
magneto
credit:
From Reid Brothers