length, 144 feet in width, 2 feet in height and lined whether the plates are straight. saw is about 6 inches in diameter, 4 of an inch in inside with firebrick. The plates are taken out of The plates are first heated to a bright cherry color, thickness, with teeth about % of an inch in length, and… … and pinching them one on top of the other into the proper shape with instruments made for that purpose. forces the hot metal into a die. The hole is forced the machine they are pressed back into just the proper Water is then poured on as soon as the plates turn a partly through, leaving a circular…
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