 | Edward Everett Hale - 1885 - 320 Seiten
...before it came nigh enough to strike, and thereby secure us from that most sudden and terrible mischief? "To determine the question whether the clouds that...top of some high tower or steeple, place a kind of . IO8 STORIES OF INVENTION. sentry-box, big enough to contain a man and an electrical stand. From the... | |
 | 1891 - 836 Seiten
...letter of July 29, 1850, Franklin gave the complete details of a plan for making the test. He says : "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... | |
 | Park Benjamin - 1895 - 638 Seiten
...most sudden and terrible mischief? "To determine the question, whether the clouds that contain the lightning are electrified or not, I would propose...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... | |
 | Royal Institution of Great Britain - 1896 - 740 Seiten
...arising from Experiments and Observations made at Philadelphia, 1749," the following passage 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... | |
 | Smithsonian Institution. Board of Regents - 1896 - 1056 Seiten
...arising from experiments and observations made at Philadelphia, 1749," the following passage 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 toi» of some high tower or steeple place a kind of sentry-box, big... | |
 | Florian Cajori - 1899 - 352 Seiten
...this ? Let the experiment be made." By the action of points he proposed to draw down the lightning. " On the top of some high tower or steeple, place a kind of sentry-box (as in Fig. 13), big enough to contain a man and an electrical stand. From the middle of the stand... | |
 | Florian Cajori - 1899 - 340 Seiten
...this ? Let the experiment be made." By the action of points he proposed to draw down the lightning. " On the top of some high tower or steeple, place a kind of sentry-box (as in Fig. 13), big enough to contain a man and an electrical stand. From the middle of the stand... | |
 | Mrs. Lillian Ione Rhoades MacDowell - 1900 - 396 Seiten
...electricity and lightning are identical. To prove this fact he proposed the following experiment : " 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... | |
 | Benjamin Franklin - 1905 - 524 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...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... | |
 | Benjamin Franklin - 1905 - 496 Seiten
...cannot, and the punch is thereby secured from the stroke." * "To determine the question," he says, "whether the clouds that contain lightning are electrified...conveniently. On the top of some high tower or steeple, 1 To Peter Collinson, July 29, 1750. VOL. i — H place a kind of sentry box, big enough to contain... | |
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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... 
