[No.180][1996P 1588]

[diagram] joint	fig 7 [diagram] [R?]		[drawing] Fig 6	C         B



[diagram] Fig 4	[diagram] Fig 5	section at B


						leaf becoming
						concave
						convex as it
Section at					at ascends
c, above fillet
ca bc [?] section				The rolls each like
shaft thus						a half turn. a

						a at the		b [diagram] a
						top is
						b at the
	[diagram] Fig 1.					bottom

				[diagram]  Fig 8

			[Ruskin’s transcription]


Fig 2. Plane of base no leaves

[diagram]								[diagram] Fig 3.

Fig 2 Plan of base no leaves				No. 180.

[Version 0.05: May 2008]