...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...

...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 36 inches (the yard) to 39.1393 (the pendulum) ; thus a sure means is established...

...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...

...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...Vacuum at the Level of the Sea is in the proportion of Thirty-Six Inches to Thirty-Nine Inches and one thousand three hundred and ninety-three ten -thousandth...

...temperature of 62° Fahrenheit's thermometer. The standard yard, when compared with the length of the rod of a pendulum vibrating seconds of mean time in the latitude...of London, in a vacuum at the level of the sea, is found to be in the ratio of 36 inches to 39' 1393. Hence, if the standard yard be lost or destroyed,...

...superficial, or solid, shall be derived and computed." The measure if lost may be restored by comparison with a pendulum vibrating seconds of mean time in...latitude of London, in a vacuum at the level of the sea, in the proportion of 36 inches to 39' 1393. This measure is for length without regard to breadth. Mechanics...

...temperature of 62° Fahrenheit's thermometer. The standard yard, when compared with the length of the rod of a pendulum vibrating seconds of mean time in the latitude...of London, in a vacuum at the level of the sea, is found to be in the ratio of 36 inches to 39*1393. Hence, if the standard yard be lost or destroyed,...

...measure of length shall bе the imperial standard yard of 36 inches, when compared with the length of the pendulum vibrating seconds of mean time in the latitude of London, in a vacuum, at the level of the sea, being in the proportion of 36 to 39-1393 inches. The standard yard, formerly preserved at the House...

...English standard unit of Long Measure is the yard, which is equivalent to |f fi§s of *he length of a "pendulum vibrating seconds of mean time in the...latitude of London, in a vacuum at the level of the sea."b The United States standard, the original, of which the state standards are copies, is a brass...