...hundred and forty such square yards, being one hundred and sixty square perches, poles, or rods. dulum vibrating seconds of mean time in the latitude of London, in a No. XVIII. vacuum at the level of the sea, is in the proportion of thirty-six inches to 5 Geo. IV....

...the purpose of affording means of restoring the standard measures, the relation between the yard and a pendulum vibrating seconds of mean time in the latitude of London, in a vacuum, at the level of the sea, was ascertained ; and for restoring weights, relation was made to a cubic inch of distilled water,...

...latitude. Hence, the latter has been adopted in the imperial standard yard of Great Britain, which, when compared with a pendulum vibrating seconds of...level of the sea, is in the proportion of 36 inches to 39.1393 inches. Since the passing of this act, however, some very elaborate and scientific experiments...

...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 U found to be as thirty-six inches (the yard) to 3!i. 1393 (the pendulum); thus a sure means...

...hereby declar' ed to be the imperial standard yard, when compared with a 1 pendulum vibrating seconds in the latitude of London, in a ' vacuum at the level of the sea, is in the proportion of thirty' six inches to thirty-nine inches, and one thousand three hun' dred and ninety-three ten-thousandth...

...standard yard, when compared with a ' pendulum vibrating seconds in the latitude of London, in a 1 vacuum at the level of the sea, is in the proportion of thirty' six inches to thirty-nine inches, and one thousand three hun' dred and ninety-three ten-thousandth...

...whatsoever, whether the sanie be linoal, superficial, or solid, shall be derived and computed ; and that the Imperial standard yard, when compared with a pendulum...at the level of the sea, is in the proportion of 36 incites to 3SU383 indies. 311 T 4 Barley corns. 3 ™ 1 Inch. 36 „_ 12 1 Foot. 108 36 3 I Yard. 594...

...standard yard, when comw *ith a pendulum vibrating seconds of mean time in the latitude of ™^on, in a vacuum at the level of the sea, is in the proportion of thirtyn inches to thirty-nine inches, and one thousand three hundred and fly-three ten thousandth parts...

...of Weights 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...

...destroyed, may be restored, by making it fft'§§5£ °f tne length of a pendulum, that vibrates seconds in the latitude of London, in a vacuum, at the level of the sea. If all these conditions are fulfilled, a pendulum that vibrates seconds must have an absolutely invariable...