โ Scribed by C.
No coin nor oath required. For personal study only.
A comparison of the cost of this system with that of the waterwheels, canals, races, and mechanism, for accomplishing the same work, will show a result no less strikingly in its favor, not to mention its applicability to falls too low to be worth improving by the ordiaaary methods.
Its applicability to the much discussed problem of utilizing the tidal power will be at once apparent.
The loss of power due to the disappearance of heat during expansion in the air engine, attaches to this method, as to others. M. Cornet's method of dealing with this difficulty, by the injection of water in the form of spray, would undoubtedly be preferable in mines. In factories, a jet of high pressure steam would probably be preferable.
In factories, this difficulty is much more than counterbalanced by the advantage offered for the economical employment of heat. 1000 horse power in the form of compressed air, may be increased to 1400 by raising the temperature of the air 200 degrees F. The 400 additional horse power is secured at an expense not exceeding ยฝ lb.
oal per hour, per horse power.
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