Nystrom, John W. (John William), 1824-1885 · Philadelphia, J.B. Lippincott · leaf 126
132. The greatest radius in a reverse curve.w = i(7+3y), 17 = w+7 — v,a = »kR, b = wkR, J£ = C sec.w(sln.V—ysin.aF— cos.2w). … 133. Curve by 8 Ordinates. The ordinates are calculated in theaccompanying Table, the chord C = 1 orthe unit. If the angle ?o is large, or there he someobstacle on the chord C, find the height 7iand lay out the curve by two or more setsof 8 ordinates. 113 By Ordinates and Stjuchords. By Ordinates…
Mechanical engineering · Engineering
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