Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 288
B, the pins about which they rotate by Pi, Pg, and thedrawing-boaxd by D, the point K being the pitch point. Twomilled rollers, E and F, of equal diameter, are fastened to the samespindle, the axis of the spindle being parallel and immediately overthe line of centres P1P2. The spindle rotates in… … Fio. 303. along the board, and, consecLuently, the position of the rollers Eand F in the line of centres varied. When in position, they arepressed on the paper by weights or a spring. Underneath the boardis an exactly similar spindle carrying a second pair of milled rollers,the paper A passing…
Machinery, Kinematics of
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