One of three double volvelles in brass, an example of Stanhope's logic demonstrator

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One of three double volvelles in brass, an example of Stanhope's logic demonstrator . Formerly the property of the Third Earl of Stanhope

Details

Category:
Mathematics
Object Number:
1995-289 Pt3
Materials:
brass, complete and iron
Measurements:
overall (estimate): 8 x 50 mm
type:
logic demonstrator