Duddell double permanent magnet oscillograph

Made:
1905
maker:
The Cambridge Scientific Instrument Company Limited
Duddell double permanent magnet oscillograph (lacks permanent

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Duddell double permanent magnet oscillograph (lacks permanent
Science Museum Group
© The Board of Trustees of the Science Museum

Duddell double permanent magnet oscillograph (lacks permanent magnet)

Details

Category:
Electricity and Magnetism
Object Number:
1962-254
type:
oscillograph
credit:
City and Guilds College