Proportional Dividers
Collection
Code
DU_278
Catalogue link
The adjustable pivot point allows the draughtsman to enlarge or reduce measurements by a fixed ratio.
Related objects
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Sine bar -
Glass jar -
Lattice pastry cutter -
Leatherworker's knife -
Vet's suppository mould. -
Surgical retractor -
Percussor -
Meat fork -
Hip prostheses -
Egg cup -
Bone forceps -
Glass bottle -
Anemometer -
[Unidentified object from The David Usborne Collection] -
Inclinometer -
[Unidentified object from The David Usborne Collection]