 | 1835 - 566 Seiten
...other projects, has given perhaps the first idea of a real balloon, as we have defined it. He proposes to raise a vessel by means of metal balls, strong...circumstances, to be lighter than their bulk of air. To the possibility of this he asserts that he sees no objection except that the Almighty would never... | |
 | 1849 - 648 Seiten
...with the aspiring title of Prоdromo deiГ Arte Maestra, published at Brescia in 1070. His plan was to raise a vessel by means of metal balls, strong...the external air, but at the same time so thin as, under the same circumstances, to be lighter than their bulk of air. Lana never imagined that any physical... | |
 | Abel Stevens, James Floy - 1853 - 594 Seiten
...through the sea. A Jesuit named Lana, in 1670, was the first who attempted to turn it to any account. He proposed to raise a vessel by means of metal balls,...enough, when exhausted, to resist the pressure of the outward air, but still thin enough to render them lighter than their bulk of air. The fallacy of the... | |
 | Abel Stevens, James Floy - 1858 - 638 Seiten
...1670, was the first who attempted to turn it to any account. He proposed to raise a vessel by meaus of metal balls, strong enough, when exhausted, to resist the pressure of the outward air, but still thin enough to render them lighter than their bulk of air. The fallacy of the... | |
 | John Timbs - 1860 - 432 Seiten
...have defined it ; and his first step was purely theoretic. He Bishop Wilkins on Flying. 61 proposes to raise a vessel by means of metal balls, strong enough, when expanded, to resist the pressure of the external air, but at the same time so thin as, in the same... | |
 | 1873 - 670 Seiten
...other projects, has given perhaps the first idea of a real balloon, as I have defined it. He proposes to raise a vessel by means of metal balls, strong...circumstances, to be lighter than their bulk of air. Again Bishop Wilkins, in his "Mathematical Magic," AD 1680, proposes a carriage, with sails like those... | |
 | National cyclopaedia - 1879 - 702 Seiten
...Lana, in 11 work published in 1G7". His notion was to raise a vessel by means of hollow metal bulls, strong enough, when exhausted, to resist the pressure of the external air, liut so thin as to be, under such circumstances, lighter than their bulk of air; but had he tried the... | |
 | National cyclopaedia - 1884 - 642 Seiten
...Jesnit Francis Lana, in a work published in 1670. His notion was to raise a vessel by means of hollow metal balls, strong enough, when exhausted, to resist the pressure of the external air, but so thin as to be, under such circumstances, lighter than their bulk of air (see fig. 1, Plate I.);... | |
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He proposes to raise a vessel by means of metal balls, strong enough, when exhausted, to resist the pressure of the external air, but at the same time so thin as, in the same circumstances, to be lighter than their bulk of air. 