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 758
the pitch after having advanced through A£. We now proceed as follows: In theauxiliary view, Fig. 3809, draw any verticala b, and parallel to it draw c o at a distancea c equal to A B from it. Lay off a b equalto the circumference of the circle of the pro-peller on any convenient scale, and draw…
Mechanical engineering -- Dictionaries
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