 | Euclides - 1660 - 368 sider
...a fphere,ij that fixed right Kne, about which thelemicircle is moved. XVI. The Centre of a Sphere > is the fame point with that of the femicircle. XVII. The Diameter of a Sphere.it a right line drawn though the centre , and terr^iaated on either fide in the (uperficiesof... | |
 | Euclid, Isaac Barrow - 1732 - 436 sider
...Hence, all the rays drawn from the center to the ftperficies of a fphere, arc equal amongft themfelyes. XV The Axis of a fphere, is that fixed right line,...XVI The Center of a fphere, is the fame point with the centep of the femicircle XVII. The Diameter of a fphere, is a right line drawn thro' the center,... | |
 | Euclid - 1751 - 420 sider
...fuperficies of a fphere, are equal amongfl themfelves. XV. The Axis of a fphere, is that fixed right-line, about which the femicircle is moved, XVI. The Center of a fphere, is the fame point -with the center of the femicircle. XV1L The Diameter of a fphere, is a right-line drawn thro1 the center,... | |
 | Robert Simson - 1762 - 488 sider
...the fixed ftraight line about which the femicircle revolves. XVI. The center of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles through the center, and is terminated both ways by the fuperficies of... | |
 | Robert Simson - 1775 - 534 sider
...the fixed ftraight line about which the femicircle revolves. XVI. The center of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles thro' the center, and is terminated both ways by the fupcrlkies of the... | |
 | Euclid - 1776 - 318 sider
...figure, deforibed by a femicircle revolting about its diameter, which remains fixed in tbe fame pofition. XV. The axis of a fphere is that fixed right line about which the femicircle revolves, XVI. The centre of a fphere is the fame with that of -the .femicircle. XVII. The diameter... | |
 | Euclid - 1776 - 326 sider
...defcribcd by a femicircle revolving about its diameter, which remains fixed in the fomf pofi tion. XV. The axis of a fphere is that fixed right line about which thi femicircle revolves. XVI. The centre of a fphere is the fame with that of tke circle. XVII. The... | |
 | Euclid - 1781 - 552 sider
...the fixed flraight line about which the femicircle revolves. XVI. The centre of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles thro' the centre, and is terminated both ways by the fuperficies of... | |
 | Euclid, John Playfair - 1795 - 462 sider
...ftraight line about which the femicircle revolves. . ' . . XVI. The centre of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles through the centre, and is terminated both ways by the fu- . pcrficies... | |
 | Alexander Ingram - 1799 - 374 sider
...the fixed ftraight line about which the femicircle revolves. XVI. The centre of a fphere is the fame with that of the femicircle. XVII. The diameter of a fphere is any ftraight line which pafles through the centre, and is terminated both ways by the fuperficies of... | |
| |
A fphere is a folid figure defcribed by the revolution of a i'emicircle about its diameter, which remains unmoved. XV. The axis of a fphere is the fixed ftraight line about which the femicircle revolves. XVI. The centre of a fphere is the fame with that... 