 | Benjamin Franklin, Jared Sparks - 1837 - 552 Seiten
...we see how electrified clouds passing over hills or high buildings at too great a height to strike, may be attracted lower till within their striking...high tower or steeple, place a kind of sentry-box, (as in Fig. 9,) big enough to contain a man and an electrical stand. From the middle of the stand let... | |
 | American Philosophical Society - 1893 - 806 Seiten
...conclusion that lightning and the electrical fire are identical. " To determine the question," he says,* "whether the clouds that contain lightning are electrified or not, I would propose an experiment to be try'd where it may be done conveniently. On the top of some high tower or steeple place a kind of centry... | |
 | Benjamin Franklin - 1840 - 558 Seiten
...punch ; or if in its course it would have come nigh enough to strike, yet being first deprived o£ its fire it cannot, and the punch is thereby secured...high tower or steeple, place a kind ,of sentry-box, (as in Fig. 9,) big enough to contain a man and an electrical stand. From the middle of the stand let... | |
 | Benjamin Franklin - 1840 - 576 Seiten
...reaches the water? Would not these pointed rods probably draw the electrical fire silently out of a qloud before it came nigh enough to strike, and thereby...high tower or steeple, place a kind of sentry-box, (as in Fig. 9,) big enough to contain a man and an electrical stand. From the middle of the stand let... | |
 | American Philosophical Society - 1894 - 810 Seiten
...the clouds that contain lightning are electrified or not, I would propose an experiment to be try'd where it may be done conveniently. On the top of some high tower or steeple place a kind of centry box big enough to contain a man and an electrical stand. From the middle of the stand let an... | |
 | William Sturgeon - 1842 - 274 Seiten
...plan of experimenting bears date 1749, and the following description of it is in his own words :— " To determine the question whether the clouds that...propose an experiment to be tried where it may be done conveQ niently. On the top of some high tower or steeple place a kind of sentrybox, as in Fig. 77,... | |
 | Dionysius Lardner - 1849 - 630 Seiten
...sudden and terrible mischief? "To determine this question, whether the clouds that contain lightning be electrified or not, I would propose an experiment to be tried, where it may he done conveniently. On the top of some high tower or steeple, place a kind of sentry-box, big enough... | |
 | Royal Institution of Great Britain - 1896 - 758 Seiten
...1749," the following passage occurs : — "To determine the question whether the clouds that contais lightning are electrified or not, I would propose an experiment to be tried where it can be done conveniently. On the top of some biii tower or steeple place a kind of sentry-box, big... | |
 | James Parton - 1864 - 668 Seiten
...attention of European electricians when at last the paper was published. It was given in these words : " To determine the question, whether the clouds that...top of some high tower or steeple, place a kind of sentry box, big enough to contain a man and an electric stand. From the middle of the stand let an... | |
 | Sir Norman Lockyer - 1896 - 906 Seiten
...from Experiments and Observations made at Philadelphia, 1749," the following jxissage occurs : — " To determine the question whether the clouds that...I would propose an experiment to be tried where it can be done conveniently. On the top of some high tower or steeple place a kind of sentry-box, big... | |
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Fig. 9,) big enough to contain a man and an electrical stand. From the middle of the stand let an iron rod rise and pass bending out of the door, and then upright twenty or thirty feet, pointed very sharp at the end. If the electrical stand be kept clean... 
