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Title: Arithmetical instrument known as a Rotula, engraved `For Ada [Go to resource]
Description: Arithmetical instrument known as a Rotula, engraved `For Adam Hepburne of Humbrie May 17 1699'. Formerly in the possession of Charles Stanhope, the third Earl of Stanhope. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: circular calculating scale (rotula) Temporal: 1699 Source: Science Museum Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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