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Title: Gregorian reflecting telescope, 3-inch aperture and altazimuth mount [Go to resource]
Description: Brass Gregorian reflecting telescope of 3-inch aperture, by John Bird, London with altazimuth mount on claw foot stand, inscribed "J. BIRD" License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: telescope - Gregorian
telescope - reflectingTemporal: 1750-1760 Source: Science Museum Creator: Bird, John Identifier: 1938-714 Go to resource More Like this...
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