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" It is determined, we find, as a certain fraction of the length of a pendulum vibrating seconds in the latitude of London. "
Report Upon Weights and Measures - Страница 134
написао/ла United States. Department of State, John Quincy Adams - 1821 - 245 страница
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The Edinburgh Review: Or Critical Journal, Том 34

1820
...readers a detailed ac-*• connt of the experiments made by Captain Kater, with a view to determine the length of a pendulum vibrating seconds in the latitude of London. We have now to direct their attention to a more extended investigation of the same careful observer,...
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A Course of Mathematics in Two Volumes for the Use of Academies as Well as ...

Charles Hutton - 1807
...ear. What is the depth of the well ? Ans. 1270 feet nearly. QUEST. 47. It is proposed to determine the length of a pendulum vibrating seconds, in the latitude of London, where a heavy body falls through 1 6-jIj- feet in the first second «f time ? , Ans. 39'1 1 inches....
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A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - 1811
...ear. What is the depth of the well ? Ans. 1 270 feet nearly. QUEST. 47. It is proposed to determine the length of a pendulum vibrating seconds, in the latitude of London, where a heavy body falls through 16^ feet in the first second of time ? Ans. 39-1 1 inches. By experiment...
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The Pamphleteer, Том 10

Abraham John Valpy - 1817
...parts, and a certain ratio between the whole and these parts j.cvcraUy, is established. Let us take the length of a pendulum, vibrating seconds in the latitude of London, which is 39,126 inches. For the sake, however, of simplifying the illustration, let the length be supposed...
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British Encyclopedia: Or, Dictionary of Arts and Sciences, Comprising ..., Том 7

William Nicholson - 1821
...in whole numbers. To explain our philosopher's intentions more fully, let us admit the supposition, that the length of a pendulum vibrating seconds in the latitude of London is 39.2 inches ; the length of one vibra'ing 42 times in a minute amounts to 80 inches ; by the same...
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American Edition of the British Encyclopedia: Or, Dictionary of Arts ..., Том 7

William Nicholson - 1821
...in whole numbers. To explain our philosopher's intentions more fully, let us admit the supposition, that the length of a pendulum vibrating seconds in the latitude of London is 39.2 inches ; the length of one vibrating 42 times in a minute amounts to 80 inches; by the same...
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A New Biographical Dictionary, of 3000 Cotemporary Public Characters ..., Том 2

1825
...author of a variety of excellent papers, among which are, " An Account of Experiments for determining the length of a Pendulum Vibrating Seconds in the Latitude of London ;" " Description of a New Compensation Pendulum;" "Description of a very Sensible Hygrometer;" "On...
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Natural Philosophy: With an Explanation of Scientific Terms, and an Index, Том 3

1829
...clocks require to he regulated accordingly of the oscillation shall be accurately the same in all. The length of a pendulum vibrating seconds in the latitude of London, 51 31/1, in a vacuum at the level of the sea, is 39,13929 inchesTaking these common divisions of...
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Library of Useful Knowledge: Natural philosophy, Том 3

1834
...but they may be so adjusted that the period of the oscillation shall be accurately the same in all. The length of a pendulum vibrating seconds in the latitude of London, 51 31.'1, in a vacuum at the level of the sea, is 39,13929 inches. Taking these common divisions...
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An Introduction to Mensuration and Practical Geometry

John Bonnycastle - 1835 - 288 страница
...the inches in its length ? v'2(375)2=52 inches long, and 52 vibrations. It is ' proposed to determine the length of a pendulum vibrating seconds, in the latitude of London, where a heavy body falls through Iftf, feet in the first second of time ? 3.1416 circumference, the...
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