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Description: | Protractor, circular surveyor's with rotating arm. Brass frame. Silver scale and vernier. Scale reads to 30' of arc. Vernier reads to 1' of arc.
AUDIT - object needs to be marked with its NAV number | Publisher: | "http://collections.rmg.co.uk/" | Subjects: | surveying instruments Great Eastern 1858 Moriarty circular protractors Capt | Source: | Royal Museums Greenwich | Identifier: | http://collections.rmg.co.uk/collections... | Go to resource |
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protractor
Brass protractor. Reverse contains trigonometrical…
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