powerful leverage press; the metal being gathered as usual, and the power of the press applied. Both arms and drops receive only the crude form; they afterwards require cutting, and polishing on a lead lap, to produce the required brilliancy.

Glass-cutting, or, more properly Glass grinding, as illustrated on the next page, is too well known to need minute description. A cast-iron wheel has sand and water dropping from the hopper, while revolving in a lathe propelled by steam power; the friction of the grit of the sand, reduces to its required form the Glass placed beneath it. A stone wheel with water smooths out the rough sand marks, and prepares