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Parallel rule, wood, single parallelogram type
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Parallel rule, single parallelogram type, wood with two brass bars, B4358, A242691
Details
- Category:
- Mathematics
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- 1989-650
- type:
- rules (drawing) and parallel rules
- credit:
- On loan from the Wellcome Trust