Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines
A 1918 technical manual by Ernest L. Wallace, issued by the American Technical Society in Chicago for machinists and engineering students designing belts, screws, pins, and gears. The figures are line drawings of threads, keyed hubs, and bolted joints in section and end view, with lettered callouts, dimension arrows, and dense diagonal hatching usable as pattern and diagram vocabulary.
