Aveling & Porter, devised to give not only radial elasticity, then 107 feet of 1 in 11, and finally 221-feet of 1in 55. Al- but also a yielding in a circumferential direction, so as to together the hill is 1,187 feet in length, and rises 68 feet, enable the pull of the engine to be exerted through… … Secuon’ on line €D ing. For this purpose an iron pointer the outer ends of each pair of spokes being Fie. 2 Fie. 3. terminated by acast iron block cast on was securely clipped to one of the spokes and made to bear with its point on the them. To these blocks are riveted two web of one of the T-irons…
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