| 1815
...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 - 172 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... | |
| Ralph Griffiths, G. E. Griffiths - 1825
...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
...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
...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
...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, William David Evans, Anthony Hammond, Thomas Colpitts Granger - 1836
...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
...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 - 116 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 - 188 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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