A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 93
equivalent to the depth of the well ; thus when they reach the end of their track , the pot is raised to its proper elevation . ” 3 The contents , water and oil , are then dis - charged into a cistern , and the water is afterwards drawn off through a hole in the bottom . A ratchet wheel and click… … No , 24 . Tread Wheel . Another mode of communicating motion to the roller , is by means of a tread wheel , attached like the drum in figure 23 , to one end of it . In this , a man or an animal walks or rather climbs up one side , somewhat ike a squirrel m its cage , and by his weight turns the…
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
