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Title: Brass Gregorian reflecting telescope of 2 1/2-inch aperture [Go to resource]
Description: Brass Gregorian reflecting telescope of 2 1/2-inch aperture on with altazimuth mount on a claw foot stand. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: telescope - Gregorian
telescope - reflectingTemporal: 1850-1855 Source: Science Museum Identifier: 1900-113 Go to resource More Like this...
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