A popular inquiry into the moon's rotation on her axis (1856)
Gumpach, Johannes von · London : Bosworth and Harrison · leaf 31
, a change of direction, not only with regard to space, but both with regard to space and to the axis of rotation, which determines the ro- tatory motion of the wheel. In Fig. 2, let the same wheel be represented with its rotatory ^motion arrested by the shoe *, and drawn along the plane and in the… … to B and A. Thus FlG' 2' with every other point. And the points m n o in the wheel will no longer describe circles, but straight lines, m m", n n", o o",
Moon -- Rotation
Internet Archive · University of California Libraries · Public domain (published before 1931). Free to use for anything.
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