Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 207
rial isforced by the action of the pug-mill,and produces a tube, which, after havingmade a certain length of, is cut off, thetube being turned round, to render theinside smooth previously to its being removed. Tlie patentee states that this machine may be used with either one or two horse… … BRICK-MAKING. 199 Bixpence per 1000. With two horse power employed, the production is double, or 16,000 per day; butthe quality of the bricks, which the editor has seen, is equal to those which are usually finished bygrinding the surfaces by hand, llie saving of labor in the production is about two…
Mechanical engineering
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