[Drop title:] De Saturni luna observatio nona [sic]. The Hague: [Adriaan Vlacq], 5 March 1656. [Bound as issued with:] BOREL, Pierre. De vero telescopii inventore, cum brevi omnium conspiciliorum historia. The Hague: Adriaan Vlacq, 1655-56. [And with:] Observationum microcospicarum centuria. The Hague: Adriaan Vlacq, 1656.
The Hague: Adriaan Vlacq, 1655-1656. First edition, very rare and an exceptionally fine copy. The work is comprised of three related parts: Huygens’ discovery of Saturn’s rings and its moon Titan; Borel’s history of the telescope; and his discoveries with the microscope, the first to appear in book form. “In..... More
Item #6520
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