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Chronoscopium Encyclicum. A Baroque period wheel chart (volvelle) published in Specula Physico-Mathematico-Historica, an encyclopedia of science. When constructed as a wheel chart, the concentric circles would be independently rotated to indicate hours, days, and months for specific events. In the four corners are quotes concerning the four seasons, while the quotes at bottom left and right are from the Roman poets Ovid and Gallus. Johann Zahn, 1695.

Chronoscopium Encyclicum. A Baroque period wheel chart (volvelle) published in Specula Physico-Mathematico-Historica, an encyclopedia of science. When constructed as a wheel chart, the concentric circles would be independently rotated to indicate hours, days, and months for specific events. In the four corners are quotes concerning the four seasons, while the quotes at bottom left and right are from the Roman poets Ovid and Gallus. Johann Zahn, 1695.

Map of the Moon  Lunar Surface Astronomy Print  Recovered Vintage Image to Frame A3 via Etsy.

Map of the Moon Lunar Surface Astronomy Print Recovered Vintage Image to Frame

Map of the Moon Lunar Surface Astronomy Print Recovered Vintage Image to Frame A3 via Etsy.