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 617
Tins machine produces easily GO envelops per minute, or 36,000 per day, completed, gummed, ano.stamped, and might probably be worked faster. As at present practised in other modes of production,the folding, gumming, and stamping are all separate processes; and as, at each of these operations,every…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
