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 149
^=$!S5? Scale—3-20th inch = 1 foot. Scale— 3-20th inch = 1 foot. Front View one-half in Section. Back View one-half in Section, - 11 feet. -Scale.—3-20th inch = 1 foot.Perpendicular Section. 4S1.
Mechanical engineering
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
