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A sphere is a surface every point of which is equally distant from a point within it,
Plane astronomy - Page 6
by Alexander Ronald Grant - 1850

Mathematics: Compiled from the Best Authors and Intended to be the ..., Volume 2

Mathematics - 1801
...is a round pyramid, having a circular base. 8. A sfhere is a solid, bounded by one continued convex surface, ' every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about...

The shipwright's vade-mecum [by D. Steel].

David Steel - 1805
...whence it gradually tapers to the vertex. A Sphere, or globe, is a solid bounded by one uniform convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the rotation of a semi-circle about...

The British encyclopedia, or, Dictionary of arts and sciences, Volume 3

1809
...species. GLOBE, a round or spherical body, more usually called a sphere, bounded by one uniform convex surface, every point of which is equally distant from a point within called its centre. Euclid defines Ihr globe or sphere, to bè a solid figure described by the revolution...

The American Arithmetic: Adapted to the Currency of the United States ...

Oliver Welch - Arithmetic - 1812 - 231 pages
...•*«»• CASE X. fofnd the solidity of a globe, or sphere. NB A globe or sphere is a round body boundedby a surface every point of which is equally distant from a point within called the centre ; a line passing from one side to the other through the centre is called the diameter,...

A general view of the sciences and arts, Volume 1

William Jillard Hort - 1822
...perpendicular height, and take one third of the product. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. Rule for finding the surface of a sphere or any segment or zone thereof. Multiply...

Dictionary of the Mathematical and Physical Sciences, According to the ...

James Mitchell - Mathematics - 1823 - 576 pages
...SPECULUM, the same a« Mirror. SPHKRK. or GLOBE, in Geometry, is a solid contained under one uniform surface, every point of which is equally distant from a point within, called the centre of the sphere, and may be conceived to be generated by the revolution ot a semi-circle...

Conversations on Natural Philosophy: In which the Elements of that Science ...

Mrs. Marcet (Jane Haldimand) - Astronomy - 1829 - 252 pages
...way. GLOBE, a round or spherical body, more usually called a sphere, bounded by one uniform convex surface, every point of which is equally distant from a point within called the centre. GRAVITY, a term used by physical writers to denote the cause by which all bodies...

A concise system of mathematics

Alexander Ingram - 1830
...how to compute the sides and angles of spherical triangles. A SPHERE is a solid bounded by a curve surface, every point of which is equally distant from a point within it, called the centre. A sphere may be conceived to be generated by a semicircle revolving about its diameter....