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Title: Gregorian reflecting telescope of 2 inch aperture and 11 in [Go to resource]
Description: Gregorian reflecting telescope of 2 inch aperture and 11 inch focal length of French manufacture on a ball and socket mounting with a claw foot tripod stand. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: telescope - Gregorian
telescope - reflectingTemporal: 1740-1780 Source: Science Museum Identifier: 1938-715 Go to resource More Like this...
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