d limits. This method, though generally adopted, is not exclusivelydepended on, and others are used. A weight e (fig. 2), half immersed in the water, is supported bya wire, which, passing steam-tight through a small hole in thetop, is connected by a flexible string or chain, passing over awheel w,… … turning the wheel w. If f be plunged deeper in the water, A willmore than balance it, and will pull it up, so that the only position in which e and a will balance eachother is, when r is half immersed.The wheel w is so adjusted, thatwhen two pins placed on its rimare in the horizontal position,…
Steam-engines · Steam-navigation · Locomotives
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