 | Cornelius S. Cartee - Physical geography - 1855 - 348 pages
...towards the centre of the earth. Such a line is vertical, or perpendicular. 104. A line forming a right angle with a perpendicular is a horizontal line. 105....extremities of the axis are called its poles. PROBLEMS. 107. a. Two villages are connected by two different roads, one of which passes round a hill, the other... | |
 | John Brocklesby - Astronomy - 1855 - 394 pages
...from ex out of , and centrum centre, (Latin) out of the centre. 19. A SPHERE. 'A sphere is a solid, bounded by a curved surface, every point of which is equally distant from a point within, called the centre; every line passing through this centre, and limited by the surface,... | |
 | Charles Davies, William Guy Peck - Mathematics - 1855 - 628 pages
...line of level indicated by the axis of the telescope when made horizontal. The true level is a line every point of which is equally distant from the centre of the earth ; hence, a line of apparent level at anv point, is tangent to the line of true level through... | |
 | William Ezra Worthen - Architectural drawing - 1857 - 650 pages
...sides, &c. A Fig. 25. Fig. 26. Fig. 27. A sphere or globe (fig. 27), is a solid bounded by a uniformly curved surface, every point of which is equally distant from the centre, a point within the sphere. A line passing through the centre, and terminating both ways at the surface,... | |
 | W.E. WORTHEN - 1857 - 600 pages
...sides, &c. /L Fig. 25. Fig. 26. Fig. 27. A. sphere or globe (fig. 27), is a solid bounded by a uniformly curved surface, every point of which is equally distant from the centre, a point within the sphere. A line passing through the centre, and terminating both ways at the surface,... | |
 | William Carter Hughes - Flour mills - 1862 - 348 pages
...same depth in each. Fluids always tend to a natural level, or curve similar to the earth's convexity, every point of which is equally distant from the centre of the earth; the apparent level, or level taken by any instrument for that purpose, being only a tangent... | |
 | Edward Brooks - Arithmetic - 1863 - 350 pages
...feet and of tha other 3 feet? J. • -, Ant. 5277.888cu. ft. THE SPHERE. X 503. A Sphere is a volume bounded by a curved surface, every point of which, is equally distant from a point within called the centre. 504. The diameter of a sphere is a line passing through its centre... | |
 | C. Davies - 1867 - 342 pages
...a cone; and a frustum of a pyramid may be inscribed in the frustum of a cone7 A SPHERE is a volume bounded by a curved surface, every point of which is equally distant from a point within, called the centreThe distance from the centre to the circumference is called the radius-... | |
 | Edward Austin Sheldon - History - 1869 - 480 pages
...Eight ; that it is everywhere the same. Then describe the sphere. A sphere is a solid, having a round surface, every point of which. is equally distant from the centre of the sphere. the property just mentioned, a sphere has the same dimensions everywhere. This would also account for... | |
 | Edward Austin Sheldon, M. E. M. Jones, Hermann Krüsi - Education, Elementary - 1870 - 498 pages
...Eight ; that it is everywhere the same. Then describe the sphere. A sphere is a solid, having a round surface, every point of which is equally distant from the centre of the sphere. The teacher may now proceed to show that in consequence of the property just mentioned, a sphere has... | |
| |
A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center. 
