| Mathematics - 1801 - 658 pages
...distant from a point within, call- LJL!| ed the centre. The sphere may -jj', be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. 9. The axis of a solid is a line, drawn from the midd« of one end to the middle of the opposite end ; as... | |
| William Nicholson - Natural history - 1809 - 700 pages
...distant from a point within called its centre. Euclid defines the globe or sphere, to be a solid figure described by the revolution of a semi-circle about its diameter, which remains unmoved. Also, its axis is the fixed line or diameter abeut which the semi-circle revolves ; and its... | |
| William Nicholson - 1809 - 752 pages
...distant from a point within called its centre. Euclid defines Ihr globe or sphere, to bč a solid figure described by the revolution of a semi-circle about its diameter, which remains unmoved. Also, its axis is the fixed line or diameter about which the semi-circle revolves ; and its... | |
| Euclides - 1814 - 560 pages
...similar, and parallel to one another: and the others parallelograms. XIV. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains unmoved. •'XV. The axis of a sphere is the fixed straight line about which the semicircle revolves.... | |
| John Greig - 1816 - 224 pages
...bounds are superficies, as ABCDEF is a solid cube, bounded by six square sides, which are equal. A. 34. A sphere is a solid, described by the revolution of a semicircle about its diameter, which is fixed, and represents the artificial globe : the true shape of the earth or natural globe, being... | |
| Euclides - 1816 - 588 pages
...similar, and parallel to one another : and the others parallelograms. XIV. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains unmoved. 'XV. The axis of a sphere is the fixed straight line about which the semicircle revolves.... | |
| William Nicholson - Natural history - 1819 - 394 pages
...distant from a point within, called its centre. Euclid defines the globe or sphere, to be a solid figure described by the revolution of a semi-circle about its diameter, which remains unmoved. Also, its axis is the fixed line or diameter about which the semi-circle revolves ; and its... | |
| Edward Bruce (bookseller.) - 1821 - 418 pages
...perfectly round body; its middle point is called the centre. A globe, or sphere, is a solid, formed by the revolution of a semicircle about its diameter, which remains fixed. The axis of a sphere is the right line about which the semicircle revolves. 6. A great circle divides... | |
| Peter Nicholson - Mathematics - 1825 - 1046 pages
...XIII. OEOMBTBT. rallel to one another; and the others parallelograms. XIV. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains unmoved. XV. The axis of a sphere is the fixed straight line about which the semicircle revolve».... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...similar, and parallel to one another; and the others parallelograms. XIV. A sphere is a solid figure described by the revolution of a semicircle about its diameter, which remains unmoved. XV. The axis of a sphere is the fixed straight line about which the semicircle revolves. XVI.... | |
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