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A "Golden Number" Calculator with a crescent moon and sun rays, at center
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Circular chart for calculating "the circle of the sun," which is used to determine the days of the week in a year
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The Golden Number Volvelle, Astronomicum Caesareum (1540)
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Calendar for physic, bloodletting for the Year 1519
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Sunshine detail from the Lunar Shadow Volvelle in the Astronomicum Caesareum (1540)
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Title Page with Dragon Detail, Astronomicum Caesareum (1540)
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Lunar Node Volvelle from Astronomicum Caesareum (1540)
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Lunar Phases Volvelle from Astronomicum Caesareum (1540)
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Diagram of the Lunar South Node or "Dragon's Tail"
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Diagram of the Lunar North Node or "Dragon's Head"
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Circular calendar showing the phases of the Moon and the four times of year, surrounded by the signs of the zodiac
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Eclipse illustration from Astronomicum Caesareum (1540)
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Circular calendar showing the phases of the Moon
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"Der Schat der Erden" Volvelle, showing a partial lunar eclipse as moon crosses Earth's shadow
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"Umbra Terre" Volvelle, showing the development of a partial lunar eclipse
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"Umbra Terre" Volvelle, showing the development of a total lunar eclipse
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Black-and-white print showing the 28 lunar phases
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Hand-colored eclipse calendar
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Hand-colored eclipse calendar
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"Der Schat der Erden" Volvelle from Astronomicum Caesareum (1540)
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Red-and-black table showing the hours of the planets for both day and night
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Black-and-white image of the Moon, anthropomorphized and shown as the Roman goddess Diana
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Black-and-white image of Mercury, anthropomorphized and shown as the Roman god of the same name
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Black-and-white image of Venus, anthropomorphized and shown as the Roman goddess of the same name
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Black-and-white engraving showing the "Sun of Justice" sitting atop a lion and carrying a sword and scales