Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 787
his purpose is the same as that previously described for manufacturing cylindrical tubes,escept that one or more of the pairs of rollers employed, instead of having their grooves regular, andof equal size throughout the whole of their peripheries, are formed of varying sizes, either increasing…
Mechanical engineering · Mechanics · Engineering
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