Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 780
be supposed, for example, that the vessel weighs 1000 lbs.,and loses 100 lbs. of that weight when immersed in the water,and that a portion of the chain, equal in length to the heightwhich the vessel rises, shall weigh 50 lbs., and the counterbalanceweigh 950 lbs. lbs.Then, when the vessel is… … lbs.Again, let the vessel be elevated out of the water, its actual and effective weight then is 1000 To balance which is opposed the counterpoise 950 And the portion of the chain now removed to the other side of the pulley to counter-poise, and acting with it 50 The sum corresponds with the actual…
Mechanical engineering
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