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 70
for the purpose of making therefrom a double-lipped, convex,and concave auger. AUGER MACHIXE. This new and useful improvement in the mode of equalizing ana straigntemngthe twist of double and single twist screw augers, invented by Sandford and Smith, of Meriden, Conn.,may be described as follows:… … distance from the ground. Upon the upper surface of these posts is placed horizontally, and se-cured strongly, a piece of timber 6, say of oak, about twenty inches wide on its upper surface, and fourinches thick. This we term the bed of the machine. Two straight cast-iron bars c, about two…
Mechanical engineering · Mechanics · Engineering
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
