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Description: | Graduated semi-circular protractor with internal frame, to which is attached a graduated arm. Screw for fine adjustment on the internal frame, small magnifying lens at centre of frame. The box is marked ZBA0819.1 and can be found via the Whole/Part toggle. | Publisher: | "http://collections.rmg.co.uk/" | Subjects: | semi-circular protractors Museum of Science and Industry Manchester | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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