Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 899
orm f the arifice through which of thin material, and the otifl 888 WATER-WHEELS. •imply a hole pierced in its side, the discharge in cubic feet per second will be nearly expressed byf: a y/2 r/H, the area of the orifice being a. If the jet from an orifice of this kind be closely observed,it will… … oc taken of this circumstance to apply an ajutage to the orifice of the form assumed by the jet, tftedischarge will be found to approximate very closely to that assigned by the theoretical formula. This difference of discharge in the two kinds of aperture is usually ascribed to the inclined…
Mechanical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-1167-519.webp)
