 | Daniel Adams - 1850 - 144 σελίδες
...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,... | |
 | John Bonnycastle - 1851 - 314 σελίδες
...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... | |
 | Horace Mann - 1851 - 384 σελίδες
...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... | |
 | James Gray - 1854 - 120 σελίδες
...measures are taken; it contains 36 inches, each inch Ыми.ц the „ 9. ,' ¡75 part of a pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea, Fah. thermometer being at 62° and the barometer at 30 inches. Jtofaf Ib с). st. td. wy. et 7 Pounds... | |
 | Horace Mann - 1855 - 272 σελίδες
...standard unit of Long Measure is the yard, which is equivalent to | $fjj§f of the length of a "pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea."* The United States standard, the original, of which the State standards are copies, is a brass scale... | |
 | William Somerville Orr - 1856 - 556 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... | |
 | Wesley Stoker Barker Woolhouse - 1856 - 232 σελίδες
...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.... | |
 | Horace Mann, Pliny Earle Chase, Phiny Earie Chase - 1857 - 394 σελίδες
...unit of Long Measure is the yard, which is equivalent to J{j «-]}-§<} of the length of a "pendulum vibrating seconds of mean time in the latitude of London, in a vacuum at the level of the sea."11 The United States standard, the original, of which the state standards are copies, is a brass... | |
 | Horace Mann, Pliny Earle Chase - 1857 - 388 σελίδες
...unit of Long Measure is the yard, which is equivalent to Iff §-§§ of the 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... | |
 | James Yates - 1858 - 100 σελίδες
...same subject by Baily, Bessel, Challis, Coulomb, Dubuat, Green, Plana, Poisson, and Sabine. pendulum, vibrating seconds of mean time, in the latitude of London, in a vacuum, at the level of the sea;" and in support of their opinion they quote the authority of Dr. Thomas Young; of Bessel, the Astronomer... | |
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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... 
