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" Measures, that the said yard hereby declared to be the imperial standard yard, when compared with a pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea... "
Robinson's Progressive Practical Arithmetic: Containing the Theory of ... - Σελίδα 169
των Horatio Nelson Robinson, Daniel W. Fish - 1858 - 372 σελίδες
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The Progressive Practical Arithmetic: Containing the Theory of Numbers, in ...

Horatio Nelson Robinson - 1859 - 348 σελίδες
...as the imperial standard yard of Great Britain. It is determined as follows : The rod of a pendulum vibrating seconds of mean time, in the latitude of...or 1 standard yard. Hence, such a pendulum rod is 39^93 inches long, and the standard yard is §§¥$$$ °f *h* length of the pendulum rod. 203. The...

Monthly Notices of the Royal Astronomical Society, Τόμος 19

1859 - 416 σελίδες
...restored by taking the length which should bear a certain proportion to the length of the pendulum, vibrating seconds of mean time, in the latitude of London, in a vacuum at the level of the sea. They remarked that several of the elements of reduction of pendulum experiments had been found to be...

The English cookery book, receipts collected by a committee of ladies, and ...

English cookery book - 1859 - 578 σελίδες
...which is to be that proportion which the yard bears to the length of a pendulum vibrating seconds of time, in the latitude of London, in a vacuum at the level of the sea; which is found to be as thirty-six inches (the yard) to 39'1393 (the pendulum) ; thus a sure means...

Arithmetic, theoretical and practical. [With] Key

Chambers W. and R., ltd - 1859 - 344 σελίδες
...100 links, each of them 7 '92 inches. The yard is the imperial standard measure of length. A pendulum vibrating seconds of mean time in the latitude of London, in a vacuum, at the sea-level, and at 62° Fahrenheit, is equal to 39-1393 inches ; and a yard is to the length of the...

The Progressive Higher Arithmetic, for Schools, Academies, and Mercantile ...

Horatio Nelson Robinson - 1860 - 444 σελίδες
...as the Imperial standard yard of Great Britain. It is determined as follows : The rod of a pendulum vibrating seconds of mean time, in the latitude of...391393 equal parts, and 360000 of these parts are 3(5 inches, or 1 standard yard. Hence, such a pendulum rod is 39.1393 inches long, and the standard...

The Circle of the Sciences: Mechanical philosophy

William Somerville Orr - 1860 - 540 σελίδες
...that the said yard hereby declared to be the Imperial Standard Yard, when compared with a pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea, is in the proportion of 36 to 39 inches, and 1393 ten thousandths part of an inch : Be it therefore enacted...

Introduction to arithmetic

Chambers W. and R., ltd - 1860 - 152 σελίδες
...100 links, each of them 7.92 inches. The yard is the imperial standard measure of length. A pendulum vibrating seconds of mean time in the latitude of London, in a vacuum, at the sea.level, and at 62' Fahrenheit, is equal to 39•1303 inches : and a yard is to the length of the...

Principles of Physics, Or, Natural Philosophy: Designed for the Use of ...

Benjamin Silliman - 1861 - 780 σελίδες
...injured, it should be restored by making a new standard yard, bearing the same proportion to a pendulum vibrating seconds of mean time in the latitude of London, in a vacuum and at the level of the sea, as 36 inches bears to 39.1303 inches, the latter bcing the length of the...

Mathematics for Practical Men: Being a Common-place Book of Principles ...

Olinthus Gregory - 1863 - 482 σελίδες
...Degree of a Great Circle of the Earth. * The imperial standard yard, when compared with a pendulum, vibrating seconds of mean time in the latitude of London in a vacuum, at the level of the sea, is in the proportion of 36 inches to 39-1393. Since the passing of this act, however, some very elaborate...

Transactions, Τεύχος 1

Literary and Historical Society of Quebec - 1863 - 162 σελίδες
...section provides that the yard, if lost, &c., may be restored by reference to the length of a pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea, in the proportion of 36 inches to 39 inches and -fflth part of an inch. 4. — Standard brass weight...




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