Rheostat (wire broken) by Ruhmkorff, of Paris

Made:
Paris
maker:
Heinrich Daniel Ruhmkorff
SMG00313379

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SMG00313379
Science Museum Group
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Rheostat (wire broken) by Ruhmkorff, of Paris

Details

Category:
Electronic Components
Object Number:
1936-182
Materials:
brass (copper, zinc alloy) and wood (unidentified)
type:
variable resistor (rheostat)
credit:
The Most Hon. the Marquess of Salisbury