 | Agriculture - 1811 - 558 pages
...bestow for a continuance. And it is then added, " If expansive first movers be made use of, they may be so constructed, as to be capable of doing more than...or their power may be made to accumulate for a few moment? by the formation of a vacuum, or the condensation of air, so that these expedients may restore... | |
 | 1812 - 696 pages
...their constant work ; or their power may be made to accumulate for a few moment? by the formation ot a vacuum, or the condensation of air, so that these...that which they had previously absorbed from it." The length of leverage maybe counterhalanced by any elastic agent which is brought to oppose it ; such... | |
 | Aeronautical Society of Great Britain - Aeronautics - 1871 - 588 pages
...twelve men can bestow upon their constant labour. If expansive first movers be made use of they may be so constructed as to be capable of doing more than...engine, that which they had previously absorbed from it. With regard to the second obstacle in the way of aerial navigation, viz., — the length of leverage... | |
 | Aeronautics - 1894 - 642 pages
...twelve men can bestow upon their constant labour. If expansive first movers be made use of, they may be so constructed, as to be capable of doing more than...engine, that which they had previously absorbed from it. With regard to the second obstacle in the way of aerial navigation, viz. the length of leverage to... | |
 | Sir George Cayley, Bart - 1910 - 114 pages
...twelve men can bestow upon their constant labour. If expansive first movers be made use of they may be so constructed as to be capable of doing more than...engine, that which they had previously absorbed from it. With regard to the second obstacle in the way of aerial navigation, viz., — the length of leverage... | |
 | Aerodynamics - 2003 - 776 pages
...twelve men can bestow upon their constant labour. If expansive first movers be made use of, they may be so constructed, as to be capable of doing more than...engine, that which they had previously absorbed from it. With regard to the second obstacle in the way of aerial navigation, viz. the length of leverage to... | |
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Watt's steam horses ; and certainly more than twelve men can bestow upon their constant labour. If expansive first movers be made use of, they may be so constructed, as to be capable of doing more than their constant work; or their power may be made to... 