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Liquid
transfer
A wheel, each
of whose radii, A, B, contains a small channel through which there is a
communication between the two bellows, C, D, one of which, C, is at the
extremity of the radius, and the other, D, is nearer the center. The
external side of these bellows is loaded with a weight.
 It will be seen
that on one side (C, for example) the bellows farthest
from the center must open, and those nearest must close. A liquid
having been poured into each radius in sufficient quantity to fill its
channel and one of the bellows, it is evident that on the side, C, such
liquor will be at the extremity, that is to say, in the bellows that
are open, while on the other side it will be in the bellows that are
near the center. Consequently one-half the wheel will be heavier than
the other, and so the wheel itself ought to have a perpetual motion.
(Subsection 954, from p.382) 
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