A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 383
tain was devised in the year 1746 by H . A . Wirtz , a Swiss pewterer or tin - plate worker of Zürich . It is sometimes named a spiral pump , and was made to raise water for a dye house in the vicinity of that city . What the circumstances were that led Wirtz to its invention we are not informed —… … No . 165 . Section of Wirtz ’ s Pump . No . 166 . View of Wirtz ’ s Pump . Wirtz ’ s machine consists either of a helical or a spiral pipe . As the former it is coiled round in one plane as A B C D E F in No . 165 . As a spiral it is arranged round the circumference of a cone or cylinder , and then…
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
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