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
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