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 541
3353. … called feathering. Numerous arrangements have been proposed and tried in order to effect this pur-pose, many of which failed on account of the complication of the parts and their liability to get outof order. We here illustrate a feathering paddle-wheel which has been in successful operation…
Mechanical engineering -- Dictionaries
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