 | 1815 - 1008 sider
...measure ; for the latter, the present parliamentary yard is to be retained, which is to be corrected by the length of a pendulum vibrating seconds of mean time in the latitude of London. The standard •weight is to be the Ib. avoirdupois, •which is to be adjusted by measures of pure... | |
 | John Davidson, Robert Scott (writing master) - 1818 - 190 sider
...l.Grecianfoot=12.085 do. 1 French toi6e= 76.7344 do. 25 English yards are. very nearly equal to 23 tunas the length of a pendulum vibrating seconds of mean time in the latitude of .London ; hence if a pendulum which vibrates seconds were divided into 100 equal parts, the standard yard would... | |
 | 1825 - 468 sider
...corrections for figure, weight, and buoyancy ; and from this corrected length may be found, by calculation, the length of a pendulum vibrating seconds of mean time in the latitude at which the observation was made. Another reduction of the length of the pendulum is to be made on... | |
 | 1825 - 486 sider
...it has been ascertained by the Commissioners appointed, &c. that the said yard, when compared with a pendulum vibrating seconds of mean time in the latitude of London, and a vacuum at the level of the sea, is in the proportion of 36 inches to 39 inches, and one thousand... | |
 | Perry Fairfax Nursey - 1825 - 472 sider
...it has been ascertained by the Commissioners appointed, &c. that the said yard, when compared with a pendulum vibrating seconds of mean time in the latitude of London, and a vacuum at the level of the sea, is in the proportion of 36 inches to 39 inches, and one thousand... | |
 | Samuel Frederick Gray - 1828 - 1118 sider
...length of the imperial standard yard of the fifth year of George, the Fourth, is to the length of the pendulum, vibrating seconds of mean time, in the latitude of London, in a vacuum, on the level of the sea, as 36 is to 39, u*Vio,ooothi. The yard is divided into thirty-six inches.... | |
 | Great Britain - 1836 - 592 sider
...Mile. Superficial Measures to be computed from the said Yard. Rood. Acre. The Yard, if lost, &c., may be restored by Reference to the Length of a Pendulum vibrating Seconds at 'oil. that he, she, and they shall and may have and possess the same power and authority therein... | |
 | American Academy of Arts and Sciences - 1880 - 436 sider
...and Measures, that the said Yard hereby declared to be the Imperial Standard Yard, wheu compared with a Pendulum vibrating Seconds of Mean Time in the Latitude of London in a Vacunm at the Level of the Sea is in the proportion of Thirty-Six Inches to Thirty-Nine Inches and... | |
 | William Nathaniel Griffin - 1847 - 130 sider
...parliament, 5 Geo. IV. defines the yard to contain 36 such parts, of which parts there are 30.1393 in the length of a pendulum vibrating seconds of mean time in the latitude of London in vacuo at the level of the sea at temperature 62 F. The commissioners, however, appointed to consider... | |
 | Wesley Stoker Barker Woolhouse - 1856 - 232 sider
...yards. 3. The yard, if lost, defaced, or otherwise injured, may be restored by comparing it with the pendulum vibrating seconds of mean time, in the latitude of London, in a vacuum on the level of the sea, the yard being in the proportion of 36 inches to 39-1393 of the pendulum.... | |
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A pendulum vibrating seconds of mean time in the latitude of London, in a vacuum and at the level of the sea, is divided into 391 ,393 equal parts. 
