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 152
\o. 59. Roman Screw. Another mode was to make the threads of plank, arranged as a helixround a solid cylinder, which was fitted with journals, and made tcrevolve in a. fixed hollow cylinder of the same length ; the edges or ex-tremities of the threads rubbing against the sides of the latter, and…
Pumping machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
