 | James Gray - Arithmetic - 1854 - 120 pages
...all lineal 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 pages
...English 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...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 - Science - 1856 - 556 pages
...Majesty to inquire into the subject of weights and measures, that the said yard hereby declared to be the Imperial Standard Yard, when compared with a pendulum...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 and declared, That... | |
 | Wesley Stoker Barker Woolhouse - Calendar - 1856 - 232 pages
...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.... | |
 | Horace Mann, Pliny Earle Chase, Phiny Earie Chase - Arithmetic - 1857 - 394 pages
...English standard 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 - Arithmetic - 1857 - 388 pages
...English standard 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 - Decimal system - 1858 - 100 pages
...on the 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... | |
 | Horatio Nelson Robinson - Arithmetic - 1859 - 348 pages
...is the same as the imperial standard yard of Great Britain. It is determined as follows : The rod of a pendulum vibrating seconds of mean time, in the...of London, in a vacuum, at the level of the sea, is divided into 391393 equal parts, and 360000 of these parts are 36 inches, or 1 standard yard. Hence,... | |
 | Astronomy - 1859 - 416 pages
...should be restored by taking the length which should bear a certain proportion to the length of the pendulum, vibrating seconds of mean time, in the latitude of London, in a vacuum at the level of the sea. They remarked that several of the elements of reduction of pendulum experiments had been found to be... | |
 | Chambers W. and R., ltd - 1859 - 344 pages
...consists of 100 links, each of them 7 '92 inches. The yard is the imperial standard measure of length. A pendulum vibrating seconds of mean time in the latitude of London, in a vacuum, at the sea-level, and at 62° Fahrenheit, is equal to 39-1393 inches ; and a yard is to the length of the... | |
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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 Thirty-Six Inches to Thirty-Nine Inches and one thousand three hundred and ninety-three ten-thousandth... 
