Remains of a rheosatat trtansformer

Made:
1890-1910 in France
Remains of a rheosatat trtansformer

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Remains of a rheosatat trtansformer
Science Museum Group

Remains of a rheosatat trtansformer, cast iron frame with row of twelve helical resistance springs (mostly broken), twelve studs in straight line with sliding contact handle, French, c1890

Details

Category:
Therapeutics
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
A658631
Materials:
iron (cast)
type:
rheostats