Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 455
ight wedges in press-boxes by the impulsionof vertical rams driven also by a cam mechanism. In the best mills upon the old construction, the catesobtained by this first wedge-pressure were thrown upon the bed of an edge-mill, ground anew, and sub-jected to a second pressure, aided by heat now as in…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer03inte-22-2.webp)
