ssure of 15 the working one, C, is kept perfectly cool. and ingenuity which he has displayed have at with which it works, the pressure of the steam Ibs. on the square inch, that a much higher It may be supposed by some persons that last led to the production of an engine which in the boiler, the… … curved end next the heater—the end of the positive, be considered an extraordinary re- the lowest to the highest pressure. This flex- cylinder is also of the same form to allow for pressure has been carried in these engines sult even by those most familiar with the expansion and contraction of the…
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