Magneto-electric telegraph

Dujardin's magneto-electric machine for telegraphy

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Dujardin's magneto-electric machine for telegraphy
Science Museum Group
© The Board of Trustees of the Science Museum

Dujardin's magneto-electric machine for telegraphy

Details

Category:: Telecommunications

Object Number:: 1857-170

Materials:: mahogany (wood), brass (copper, zinc alloy), steel (metal), copper (alloy) and paper (fibre product)

type:: telegraph instrument

credit:: Newton & Son

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