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Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus (1899)

Harrison, Joseph, Baxandall, George Albert · London Macmillan · leaf 100

An illustration from Practical plane and solid geometry for advanced students, including graphic statics, adapted to the requirements of the South Kensington syllabus, 1899, leaf 100
C will turn through an angle 0 anti-clockwise.Hence CO and OP turn about C and O respectivelyat the same rate but in opposite directions . (ii.)But in the position shown in the figure, CO and OP aresymmetrically inclined to the fixed line CA, since OCb isisosceles, therefore from (ii.) CO and OP… … c the semi-major axis = PO + OC= Pa = CAand the semi-minor axis = PO - OC — Pb = CB, the directions of which are CA and CB. It will be noticed that Pba is the trammel for the doublecrank CO, OP. The triangular trammel PQP, the double crank CO, OP,and the principal straight line trammel Pba are thus…

Geometry, Descriptive -- Problems, exercises, etc · Geometry, Plane -- Problems, exercises, etc · Graphic methods

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