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書籍 書目1 - 10,共 56 頁;搜尋條件:It is determined, we find, as a certain fraction of the length of a pendulum vibrating...
" It is determined, we find, as a certain fraction of the length of a pendulum vibrating seconds in the latitude of London. "
The Royal Society; or, Science in the state and in the schools - 第 73 頁
Sir William Huggins 著 - 1906 - 131 頁
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The Edinburgh Review: Or Critical Journal, 第 34 卷

Sydney Smith, Lord Francis Jeffrey Jeffrey, Macvey Napier, William Empson, Sir George Cornewall Lewis, Henry Reeve, Arthur Ralph Douglas Elliot (Hon.), Harold Cox - 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 ..., 第 2 卷

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, 第 10 卷

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 ..., 第 7 卷

William Nicholson - 1821
...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 ..., 第 7 卷

William Nicholson - 1821
...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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Report Upon Weights and Measures

United States. Department of State, John Quincy Adams - 1821 - 245 頁
...1814, the committee of the house of commons resolved, and, in 1815, the house itself enacted, that the length of a pendulum vibrating seconds, in the latitude of London, had been ascertained to be 39.13047 inches of Bird's parliamentary standard yard. In the year 1818,...
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A New Biographical Dictionary, of 3000 Cotemporary Public Characters ..., 第 2 卷

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, 第 3 卷

...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, 第 3 卷

Society for the Diffusion of Useful Knowledge (Great Britain) - 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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