 | Royal Society (Great Britain) - 1809 - 778 páginas
...; " the effect of such a wheel will be equal to the effect of an undershot, whose head is equal to the difference of level between the surface of the water in the reservoir and the point where it strikes the wheel, added to that of an overshot, whose height is equal... | |
 | John Smeaton - 1814 - 276 páginas
...wheel; the effect of such awheel will be equal to the effett of an undershot, whose head is equal to the difference of level between the surface of the water in the reservoir and [the point where it strikes the wheel, added to that of an overshot, whose height is... | |
 | Olinthus Gregory - 1815 - 604 páginas
...the wheel ; the effect of such a wheel will be equal to that of an undershot whose head is equal to the difference of level between the surface of the water in the reservoir and the point where it strikes the wheel, added to that of an overshot, whose height is equal... | |
 | Samuel Frederick Gray - 1828 - 1118 páginas
...audible notice of its being time to replenish the boiler with water. In steam apparatus of this kind, the difference of level between the surface of the water in the safety-pipe and the surface of the water in the boiler itself, governs the tern peratnre at which the... | |
 | Samuel Frederick Gray - 1830 - 480 páginas
...audible notice of its being time to replenish the boiler with water. In steam apparatus of this kind, the difference of level between the surface of the water in the safety -pipe and the surface of the water in the boiler itself, governs the temperature at which the... | |
 | Samuel Frederick Gray, Arthur Livermore Porter - 1830 - 482 páginas
...audible notice of its being time to replenish the boiler with water. In steam apparatus of this kind, the difference of level between the surface of the water in the safety -pipe and the surface of the water in the boiler itself, governs the temperature at which the... | |
 | Thomas Tredgold - 1836 - 288 páginas
...wheel; the effect of such a wheel will be equal to the effect of an undershot, whose head is equal to the difference of level between the surface of the water in the reservoir and the point where it strikes the wheel, added to that of an overshot, whose height is equal... | |
 | Encyclopaedia - 1845 - 902 páginas
...the t/rct /if such wheel will be equal to the effect of an undershot wheel, whose head is equal to the difference of level between the surface of the water in the reservoir, and the point inhere it strikes the wheel ; added to that of an overshot v/icel, whose height... | |
 | Dennis Hart Mahan - 1846 - 378 páginas
...quantity of water must be drawn from the upper level to fill the lock to a height which is equal to the difference of level between the surface of the water in the two ; this height is termed the lift of the lock, and the volume of water required to pass a boat up... | |
 | Dennis Hart Mahan - 1846 - 380 páginas
...quantity of water must be drawn from the upper level to fill the lock to a height which is equal to the difference of level between the surface of the water in the two ; this height is termed the lift of the lock, and the volume of water required to pass a boat up... | |
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... which is equal to the difference of level between the surface of the water in the... 
