Appletons' cyclopaedia of applied mechanics: a dictionary of mechanical engineering and the mechanical arts (1880)
D. Appleton and Company, Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 753
blade follows gradually. The propeller is usually made with the blades separate, and the mode ofattaching them to the hub, whereby their positions may be varied, is another of its peculiarities. The Mangin screw, Fig. 3791, is one of a varying pitch axially; i. e., the advance along the axi3varies…
Mechanical engineering -- Dictionaries
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