Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 138
any position, a bent piece, which carries a small hardsteel-pointed pin threaded for accurate adjustment, the axis of thepin being set at an angle of about 55 degrees with the arm BC. Engineering, July 20, 1900. GE OME TRICA L PR OPER TIES. 127 At tho end A of the rod AB is fixed a pencil, with… … Fio. 131. Fio. 132. of set screws to a prolongation of the lower part of the frame, andthe instrument must be carefully adjusted with respect to thewheel or rail, so that the plane of the pantograph coincides with atrue cross-section of the tyre or rail, otherwise a distorted sectionis obtained.…
Machinery, Kinematics of
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