As the wheel revolved two and a half times a minute, it raised 250 gallons [950 L] of water from a depth of 1,200 feet [360 m], thus keeping the mine shafts clear.
Vienā minūtē rats veica divarpus apgriezienus un izsūknēja 950 litrus ūdens no 360 metru dziļuma, neļaudams applūst raktuvju šahtām.