Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 816
k-rower on arriv-ing at the end of the row, so as not to interfere with turning the machine. In Pig. 6 the wireIS seeu wound oil a reel, convenient for placing in position for work. The face oi th^ SEEDERS AND DRILLS. ^87 wheels is a broad concave, tending to cover and press the dirt upon the seed… … DetTcs coiu planter. but the rotary drop is found preferable. The check-rower mechanism operates as follows :Spurs or buttons on the wire engage a lever and carry its end to a point where the in-clination of the lever sheds the spur, which passes readily in and out of the check-rower ongrooved…
Mechanical engineering
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