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 620
rking part of the plate, the ground is fit for use. Take the plate, face down-ward, to some convenient place, and pour cold water over the back, holding the plate in a slopingposition, the vice up, Fig. 1600. This last process produces a stronger and harder surface than couldbe obtained if the… … ^.s Figs. 1600 to 1611 consist of examples of the etching, biting-in with the acid, &c, I shall take advan-tage jf it to exemplify the manual craft of laying the ground, smoking, <tc. Some difficulty may befound in laying the first ground with success ; but having managed one well, you may…
Mechanical engineering · Mechanics · Engineering
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