 | 1857 - 976 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...by other forces, friction, resistance of the air, &c., so that the motion is incessantly weakened and finally neutralized. A body, however, which is... | |
 | 1858 - 448 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...by other forces, friction, resistance of the air, etc., so that motion is incessantly weakened and finally neutralized. A body, however, which is opposed... | |
 | 1859 - 448 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...by other forces, friction, resistance of the air, etc., so that motion is incessantly weakened and finally neutralized. A body, however, which is opposed... | |
 | Edward Livingston Youmans, William Robert Grove - 1865 - 500 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...air, ete., so that motion is incessantly weakened andfii^^^Mj|gj|UQg^^rBHHv 7 , however, which is opp^l^i^^frT,'dating force, when once Bet in motion,... | |
 | Edward Livingston Youmans - 1865 - 490 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...by other forces, friction, resistance of the air, etc,, so that motion is incessantly weakened and finally neutralized. A body, however, which is opposed... | |
 | Edward Livingston Youmans - 1868 - 526 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...terrestrial bodies is resisted perpetually by other fo^cs, friction, resistance of the air, etc., so that motion is incessantly weakened and finally neutralized.... | |
 | Edward Livingston Youmans - 1870 - 484 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...But the fact is, that motion appears to us, under ordinary'circumstances, transitory, because the movement of all terrestrial bodies is resisted perpetually... | |
 | 1859 - 448 페이지
...derives its force from the moving nir. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...by other forces, friction, resistance of the air, etc., so that motion is incessantly weakened and finally neutralized. A body, however, which is opposed... | |
 | Hermann von Helmholtz - 1873 - 432 페이지
...derives its force from the moving air. It may appear surprising that motion, which we are accustomed to regard as a non-essential and transitory endowment...But the fact is, that motion appears to us, under ordinaiy circumstances, transitory, because the movement of all terrestrial bodies is resisted perpetually... | |
 | Hermann von Helmholtz - 1873 - 432 페이지
...bodies, can produce such great effects. But the fact is, that motion appears to us, under ordinaiy circumstances, transitory, because the movement of...by other forces, friction, resistance of the air, &c., so that the motion is incessantly weakened and finally arrested. A body, however, which is opposed... | |
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... of producing great effects. I only remind you of the destructive effects of musket-bullets, which in a state of rest are the most harmless things in the world. I remind you of the windmill, which derives its force from the moving air. It may appear... 
