ced how frequently the maximum of 15,000 horse power. The total material is transferred from shop to shop for height of the press, above ground, is somewhat Plate is heated and lowered bodily into a bath of oil. the different processes necessary to produce a over 42 feet. ‘The stroke of the press… … exceedingly costly nature. An important furnaces are fired by the regenerative element of cost is Jue to the fact that im- principle, as explained in our first article proved methods ef armor-plate manufac- on the open-hearth process. The heat of The Cementation Furnace, ture are liable at all…
Internet Archive · Public domain (published before 1931). Free to use for anything.
