Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 893
as divided the turbine,as before intimated, horizontally into two or three stages, by means of thin plates of sheet-iron placedin the channels. The curvature of the water channels of the turbineand of the guide-curves in the fixed crown, may bedetermined by the following mode. Describe the… … Vhao = From the centre o draw o d, making with ( \. f YfW \ \ M a o an angle doa = dao; and from the point e, whereo d cuts the circle representing the tube or pipethrough which the spindle of the turbine ascends,take c b parallel to oa; from b draw 6 c perpendicu-lar to a d, and from d draw dc…
Mechanical engineering
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-198-119.webp)
