Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1897)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & Sons · leaf 28
Fig. 18. THBEE-FOKCE PIECES. 19 Bell Crank … Fig. 19. instanced in Fig. 19, wliere the two-force piece ^ . . ^ is sub-jected to tension tlirough theaction of a suspended weight, G,and a bell-crank lever, BCD.The hinge-pressnre at A^ fromthe suppoit S against the pieceA . . JJ, must pass through thecentre of the circle at A ; whilealso the…
