 | Florian Cajori - 1899 - 340 Seiten
...are passing low, might be electrified and afford sparks, the rod drawing fire to him from a cloud." " If these things are so, may not the knowledge of this...to mankind in preserving houses, churches, ships, etc., from the stroke of lightning? . . . }M Such are the thoughts communicated in a letter to Collinson... | |
 | Florian Cajori - 1899 - 352 Seiten
...are passing low, might be electrified and afford sparks, the rod drawing fire to him from a cloud." " If these things are so, may not the knowledge of this...to mankind in preserving houses, churches, ships, etc., from the stroke of lightning? . . . "1 Such are the thoughts communicated in a letter to Collinson... | |
 | Albert Sidney Bolles - 1899 - 568 Seiten
...artificial thunder storm by means of a lightning rod. "If these things are so," continued Franklin, "may not the knowledge of this power of points be of use to mankind in preserving houses, churches and shops from a stroke of lightning by directing us to fix on the highest part of those edifices upright... | |
 | Henry W. Spang - 1902 - 90 Seiten
...clouds and earth, he says : "If these things be so (referring to the discharging power of points), may not the knowledge of this power of points be of...to mankind in preserving houses, churches, ships, etc., from the stroke of lightning, by directing us to fix on the highest points of these edifices... | |
 | Benjamin Franklin - 1905 - 496 Seiten
...he thought might possibly be of some use to mankind, though we should never be able to explain it. "May not the knowledge of this power of points be...to mankind, in preserving houses, churches, ships, etc., from the stroke of lightning, by directing us to fix, on the highest parts of those edifices,... | |
 | Pennsylvania Society of New York - 1906 - 244 Seiten
...absence of dogmatism, which characterized all his work and all his discussions of his work. He says : "I say, if these things are so, may not the knowledge...power of points be of use to mankind in preserving his houses, churches, ships, etc. from the stroke of lightning, by directing us to fix on the highest... | |
 | Francis Rolt-Wheeler - 1909 - 358 Seiten
...descending toward the punch ; or if in its course it would have come nigh enough to strike, yet being deprived of its fire it cannot, and the punch is thereby...to mankind in preserving houses, churches, ships, etc., from the stroke of lightning by directing us to fix on the highest parts of those edifices upright... | |
 | 1912 - 624 Seiten
...exploration and protection. But it was Franklin who had the clearest vision of them all. He wrote in 1749: "May not the knowledge of this power of points be...to mankind in preserving houses, churches, ships, etc., from the stroke of lightning by directing us to fix, on the highest points of those edifices,... | |
 | American Antiquarian Society - 1925 - 370 Seiten
...what an electrical cloud of 10,000 acres would do he is led to the conception of a lightning rod. " I say, if these things are so, may not the knowledge...to mankind, in preserving houses, churches, ships, etc. from the stroke of lightning, by directing us to fix on the highest part of those edifices upright... | |
 | Alexander McAdie - 1926 - 152 Seiten
...discharged. This is what led to the lightning rod. That part of his remarks on the subject is worth quoting: I say if these things are so, may not the knowledge of this power of points be of use to mankind in preserv1 See Letter V of his Experiments, 5th Edition, London, 1774ing houses, churches, ships, etc.,... | |
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I say, if these things are so, may not the knowledge of this power of points be of use to mankind, in preserving houses, churches, ships, &V. from the stroke of lightning, by directing us to fix on the highest parts of those edifices, upright rods of... 
