A popular inquiry into the moon's rotation on her axis (1856)
Gumpach, Johannes von · London : Bosworth and Harrison · leaf 53
ON THE MOON'S ROTATION. 42 … to represent FIG. 13. which in a man- ner intelligible to the eye, we have again considerably to ex- aggerate the eccentricity of both orbits, i e. their deviation from a perfect cir- cle. The ellipse, Fig. 14, is such an exaggerated repre- sentation, c is its centre. The line A D, the longest…
Moon -- Rotation
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