Solar Biology, Diagram No. 5 Framed Canvas
Created in the late 19th century, this is Diagram No. 5 from Solar Biology by Hiram Erastus Butler. The diagram shows a hand drawn sectional view of the solar system and illustrates the earth's zodiac with the twelve signs through which the moon passes every 27 days, 7 hours, 43 minutes, 5 seconds.
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Also available as Art Prints.