Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 73
he size of the auger to beformed; and the angle at which they cross the plate must be governed by the openness or closenessof the proposed twist, so that separate plates, adapted to each size of auger respectively, will be re-quired. If it is desired to form the auger so as to make the graduated…
Mechanical engineering
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