 | Olinthus Gregory - 1815 - 604 pages
...surface of the head, and after that descends in the arch of a circle, pressing by its gravity upon 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... | |
 | Olinthus Gregory - 1826 - 604 pages
...a circle, pressing by its gravity upon 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 tlie reservoir and the point where it strikes the wheel, added to that of an overshot, whose height... | |
 | Samuel Frederick Gray - 1828 - 1118 pages
...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... | |
 | 1829 - 500 pages
...its effect, according to Mr. Smeaton, should be the. same as an under-shot wheel, whose head of water is equal to the difference of level between the surface of the stream and the point where it strikes the wheel, added to the effect of an over-shot wheel, whose height... | |
 | Samuel Frederick Gray, Arthur Livermore Porter - 1830 - 482 pages
...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 - 1830 - 480 pages
...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... | |
 | Robert Kane - 1844 - 438 pages
...compounded of the two, and in the words of Barlow : " The effect of the breast wheel is equal to that of an undershot whose head is equal to the difference of level between the surface of the reservoir and the point at which it strikes the wheels, added to that of an overshot whose height is... | |
 | Encyclopaedia - 1845 - 902 pages
...its gravity on the wheel, 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...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 is equal to the difference... | |
 | Dennis Hart Mahan - 1846 - 380 pages
...or down, a 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 - 378 pages
...or down, a 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... 
