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 72
ose of making therefrom a double-lipped, convex,and concave auger. AUGER MACHINE. 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 : ■ Set firmly…
Mechanical engineering
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