Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 129
minute, with a fall of not more than 12 inches. To get up this speed, the water-wheel is furnishedwith more cams, sometimes as many as 32 in number. All, the largest and smallest, work against asort of wooden spring, which checks their upward motion and imparts more momentum to the down-ward fall.… … uniform plane ; but often, and especially for finishing hammers, the face is. like the letter T in relief,or else a full cross. This modification is borrowed from the English fashion, whose hammers, besides, are altogether morepowerful and substantial. Made of iron throughout, the hammer-head and…
Mechanical engineering
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