Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 628
king 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 plate… … As Figs. 1600 to 1611 consist of examples of the etching, biting-in with the acid, <fec, I shall take advan-tage of it to exemplify the manual craft of laying the ground, smoking, &c. Some difficulty may bofound in laying the first ground with success ; but having managed one well, you may…
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
