 | American Philosophical Society - 1893 - 806 頁
...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... | |
 | American Philosophical Society - 1894 - 810 頁
...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... | |
 | 1847 - 662 頁
...the experiment by which their identity may be demonstrated. His directions are as follows : — • " On the top of some high tower, or steeple, place a kind of sentrybox, big enough to contain a man and an electrical stand. From the middle of the stand let an iron rod rise... | |
 | William Sturgeon - 1842 - 274 頁
...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 - 1846 - 644 頁
...sudden and terrible mischief? "To determine this question, whether the clouds that contain lightning be electrified or not, I would propose an experiment...high tower or steeple, place a kind of sentry-box, big enough to contain a man and an electrical stand. From the middle of the stand let an iron rod rise,... | |
 | Dionysius Lardner - 1849 - 630 頁
...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 頁
...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 頁
...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 頁
...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... | |
 | Jeremiah Chaplin - 1876 - 416 頁
...the identity of electricity and lightning, and had indicated a method of determining the question. " On the 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 iron rod rise,... | |
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On the top of some high tower or steeple, place a kind of sentry-box (as in Plate I., 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... 
