 | Emil Wolf - 2007 - 386 Seiten
...an "Atmosphere of Electrical Particles". See text for details. From Labaree et al. [1961b]. writes "To determine the Question, Whether the Clouds that...electrified or not, I would propose an Experiment to be try'd where it may be done conveniently." His following proposal inspired the famous 'sentry-box' experiment... | |
 | Franklin Institute (Philadelphia, Pa.) - 1906 - 652 Seiten
...came nigh enough to strike, and thereby secure us from that most sudden and terrible mischief? (d) "21. To determine the question, whether the clouds...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... | |
 | 284 Seiten
...it came nigh enough to strike, and thereby secure us from that most sudden and terrible mischief? 5T To determine the question, whether the clouds that...electrified or not, I would propose an experiment. . . . 56 Reference 12, supra. 57 For further information on Franklin's early descriptions of lightning... | |
 | 780 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... | |
 | Franklin Institute (Philadelphia, Pa.) - 1918 - 906 Seiten
...and lightning " ; and by many others. (b) The devising by Franklin,133 in 1749, of a simple means " to determine the question, whether the clouds that contain lightning are electrified or not." (c) The' proof, May 10, 1752, by d'Alibard134 (following Franklin's suggestion), that clouds in which... | |
 | Whetham William Cecil Dampier - 2019 - 372 Seiten
...us from that most sudden and terrible mischief? " Franklin then goes on to suggest that in order " to determine the question whether the clouds that contain lightning are electrified or not" an iron rod should be erected on some high tower or steeple. When thunder-clouds passed, sparks might... | |
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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... 
