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Inventory no. 28201 - Former Display Label

English PROPORTIONAL DIVIDERS
c.1700

Silver and steel; with fish-skin covered wooden case. Signed, "Iohn Rowley Londini Fecit"; undated.

These proportional dividers can be used for linear, circular, square and cubic measurement, for which there are graduated scales marked, "D Lineæ rectæ", "Diuisiones Circuli", "Diuisiones Planorum", and "Diuisiones Solidorum".

[Orrery Collection, no. 20]
Lent by Christ Church.

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