A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine (1876)
Ewbank, Thomas, 1792-1870 · New York : Scribner, Armstrong · leaf 107
qual length, andattached to a rectanguhir frame, but were suspended and worked in thesame manner as No. 33. A different mode of working these machines was devised by an Eng-lish engineer. Instead of suspending the frame like a pendulum, hemade the lower part term.inate in rockers like those of a… … No. 34. Dutch Scoop. Among other simple devices, is the Dutch scoop, frequently used bythat people in raising water over low dykes. ft is a kind of box-£.hovel ?4 The Swape. [Book I. suspejided by cords fiom a triangular frame, and worked as representedin the figure. By a sweeping movement, an…
Pumping machinery
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