A is driven by its shank into the horizontal axis of the wheel which turns the machine.
B is an intermediate iron to connect the motion of A and C.
C is driven by its shank into the axis of the screw.
D is a cross axis, the ends, a and b, going into the corresponding holes a and b of the iron A, and the ends, c and d, going into the corresponding holes c and d of the iron B.
E is another cross axis, the ends, e and f, going into the corresponding holes e and f of the iron B, and the ends, g and h, going into the corresponding holes g and h of the iron C.
XIII.
Memorandums on a Tour from Paris to Amsterdam, Strasburg, and back to Paris.—March 3d, 1788.
Windows.
Amsterdam.—Joists of houses placed, not with their sides horizontally and perpendicularly, but diamond wise, thus:
