[No.89] [RF MS 76] [part]

A			[diagram] Fig 2					B
		p2   h  g  Chamfer to cavetto k Chamfer to side   I                p4
							p 3


				     Palace
No 89. in another section at p 6. Doge Book; this figure was taken on the chamfer gh. ik
only on the opposite side of a b- let fig 1. here represent it with same letters. Then the
										edge of
this paper. A B. was placed in the direction g p. fig 1. so as to be a tangent to the roll
at p. and the chord of its curves g h. was produced upon it and the chamfer g h, Fig 2.
drawn as nearly as possible real size on it: and the curve h p2 parallel to the great cavetto
											- it
is merely to mark position - it would if truly drawn have run into the line k l (fig 2)
Again the edge A B. being placed || to and [?] with the line k l in fig 1, and a
tangent to roll at p2 - fig 1. the chord of i k was produced on it and the curves i k
and i p2 drawn parallel & true size. as far as p2. that is to p4 in Fig 2.

[diagram] Fig 1. f   g    p  p2 h  i  k			No 89  p 113. done

[Version 0.05: May 2008]