7 Free Photos of Telescopes In The Harvard Collection Of Historical Scientific Instruments

cc-pd-mark author died more than 100 years ago public domain images cc-zero gregorian telescopes telescopes by james short

Gregorian telescope belonging to John Winthrop, English, c. 1735 - Putnam Gallery - Harvard University - DSC08056

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12-inch_Gregorian_telescopoe,_by_James_Short,_London,_1758_-_Putnam_Gallery_-_Harvard_University_-_DSC08049

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24-inch_Gregorian_telescope_by_James_Short,_with_object_glass_micrometer_by_John_Dollon,_London,_1764_-_Putnam_Gallery_-_Harvard_University_-_DSC08051

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Gregorian telescope mounted on its original box, owned by Edward Holyoke, Harvard President, English, c. 1710 - Putnam Gallery - Harvard University - DSC08047

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Gregorian telescope with accessories by Benjamin Martin, London, 1760, used by John Winthrop to observe the Transit of Venus, 1761 - Putnam Gallery - Harvard University - DSC08054

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$Universal equitorial mount with refracting telescope, by George Adams, London, before 1795 - Putnam Gallery - Harvard University - DSC08044$

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Objective prism and 4 lenses from the 24-inch Bruce doublet telescop, by Alvan Clark & Sons, Cambridge MA, 1893 - Putnam Gallery - Harvard University - DSC08071

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