Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 274
Fig. 547. Wrought metal, iron, or steel shafts, are almost invariably circular in sec-tion, but sometimes square. Cast-iron is used in great variety of section and form for shafts (Fig. 548) ;without uniformity longitudinally, but adapted to their position and load. … Fig. 548. Formerly, either wood or cast-iron was invariably used for water-wheelshafts ; but a change of motors, from the breast, over-shot and under-shotwheels to reactors or turbines, has involved an entire change of construction,and now only wrought-iron is used. AYooden shafts are often used in…
Mechanical drawing
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