The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 87
s opposite A^, the middle point of themotion of A. Figs. 3 and-1 shew this crank in its different positions,thi same letters referring to the same tilings in both figures. A, B,is the rod connecting the crauk with A. We will trar- the progress*f he crank by referring alternately to the two figures.… … towards A„; wh(?n it reaches A™ the position will be that of thedotted line A^ B„ C, the crank and rod being in a straigl}t line ; themomentum will carry the crank on, and as A^ now begins to retro-grade, Tiken it reaches some point A, the crank will have arrived atthe position Bj C. The next…
Architecture · Civil engineering · Science
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