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Title: Refracting hand-held astronomical telescope of 5 inch apertu [Go to resource]
Description: Refracting hand-held astronomical telescope of 5 inch aperture and 24 inch focal length by Dollond, London. The tapering tube is leather covered with a single draw tube for focussing. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: telescope - refracting Temporal: 1795-1805 Source: Science Museum Creator: Peter & John Dollond Identifier: http://collectionsonline.nmsi.ac.uk/grab... Go to resource More Like this...
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