Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 147
486. JONVAL TURBINK — The upper^ inclined blades are fixed. The lower inverseblades form the wheel. … 487. JONVAL TURBINE.—^, The case ;a^ the chute or directrix, fixed; c^ the wheelbuckets. The curved buckets are set slightlytangent and curve downward in parabolic orcycloidal form. Water discharges downward.Efficiency from eighty to eighty-five per cent.
Mechanical movements
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