A nice Paternoster image:
Image from page 166 of “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
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Identifier: descriptivehisto00ewbauoft
Title: 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
Year: 1876 (1870s)
Authors: Ewbank, Thomas, 1792-1870
Subjects: Pumping machinery
Publisher: New York : Scribner, Armstrong
Contributing Library: Gerstein – University of Toronto
Digitizing Sponsor: University of Toronto
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Text Appearing Before Image:
er in his MundusSubterraneus, Tom. ii, 194. Among the earliest of modern authorswho have deccribed these pumps is Agricola. He has given five differ-ent figures of them, but they differ merely in the apparatus for workingthem, according to the power employed, whetherof men, animals, or waterThe following cut No. 65 is from his De Re Metallica. It exhibits two.separate views of the lower end of the pump, showing the mode of attach-ing the pulley and the passage of the rope and cushions over it. From theresem.blance of the chains or ropes and cushions, to the rosary, or stringof beads on which Roman catholics count their prayers, these machines » Staunton, Vol. iii, 315. i Duhaldes China. Paris. 1735 Tom. ii, 06. 67.<^Ogilvvs Translation. Lon. 1673, pp. 54. 85—snd Histoire Generale. Ainsterd-ynM9. Tom. viii, 81,82. L.VJ Chain Tump from Agricola., [Bouk 1 Decarr.3 known as Paternoster pumps. For the same reason they arenamed Chapelet by the French, in common with the chain of pots.
Text Appearing After Image:
^ No. 65. Cliain Pump from Agricola. The next author who describes these pumps, that has fallen in our way,IS Bcsson. Plate 50, of his Theatre Des Instrumens, is a representationof a double one. Two cylinders are placed parallel to each other, so thatthe chain passes through both. It is sliown as worked by ivind. A ver-tical shaft with sails is secured under the dome of an -jpen tower ; a cogwheel on the lower end of the shaft turns a trundle or ninion which is fix-ed on the horizontal axle of the drum, that carries the ciiain. Thus, whenthe wind turned the sails, w^ater was raised through one of the cylinders,and when their motion was reversed by change of the wlna, the li(juid waselevated in the other. Instead of stuffed cushions, as in the precedingfigure, pistons, resembling somewhat those of fire engines, or forcingpumps, i. e. double cupped leathers are shown, (^ Coiiuilles fond contrefond,) the earliest instance of their use that we have met with. Besson,who appears to claim th
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