 Vertical Cross Section of Spherical Zones of a Casting

An illustration of a vertical cross section of the spherical zones of a casting with a diameter of 16… Invariable Cone

Possible forms of the invariable cone by means of the intersections with a concentric spherical surface. Comparative Volumes Of A Cone, Sphere, And Cylinder

Illustration used to compare the volumes of a cone, a sphere, and a cylinder. Cone depicting Conic Sections

Diagram of a cone with spheres and cut by a plane to depict the conic sections. Cone depicting Conic Sections

Diagram of a cone with inscribed spheres and cut by various planes to depict the conic sections: circle,… Comparative Surfaces Of A Cylinder And Sphere

Illustration used to compare the surfaces of a cylinder and a sphere. Intersecting Cylinder and Sphere

Illustration of the intersection of a cylinder and a sphere. Intersecting Cylinder and Sphere

Illustration of the intersection of a cylinder and a sphere. Double Convex Lens

"The double convex lens may be described as the part common to two spheres that intersect each other.… Sphere Cut By Plane

Diagram used to prove the theorem: "Every section of a sphere by a lane is a circle." Sphere Tangent to Plane

Diagram used to prove the theorem: "A plane perpendicular to a radius at its extremity is tangent to… Spheres of the Ptolemaic System

A diagram showing the order of the universe as expounded by Ptolemy. Its basic concept surmises that… Sphere With Sectors and Arcs

Diagram of a sphere with sectors and arcs drawn. Sphere With Sectors and Arcs

Illustration of a sphere with sectors and arcs. Sphere With 8-inch Diameter Cut by Planes

An 8-inch sphere cut by parallel planes, one 2 inches from center and the other 6 inches from center.… Sphere With Arcs and Poles

A sphere with arcs and poles. "The distance of all points in the circumference of a circle of a sphere… Arcs Drawn on Sphere

Illustration of a sphere with arcs drawn. Circle Made by Plane Passing Through a Sphere

"Every section of a sphere made by a plane is a circle." Circumference of a Circle of a Sphere

Diagram used to prove the theorem: "All points in the circumference of a circle of a sphere are equally… Sphere Cut Into Pyramids.

An illustration of a sphere cut into polygons as bases with their vertices at the center of sphere. Sphere Inside of Cylinder.

An illustration of a sphere inside of a cylinder with radius/diameter labeled. Illustration for showing… Development Of Sphere

Illustration showing the development of a sphere by the perspective of its resolved cones. Sphere Inscribed in a Cube

Illustration of a sphere inscribed in a cube. Sphere Inscribed in a Cube

Illustration of a sphere inscribed in a cube. Sphere Inscribed in Tetrahedron

Illustration of a sphere inscribed in a tetrahedron. Sphere Inscribed in Tetrahedron

Illustration of a sphere inscribed in a tetrahedron. Sphere with arcs and circles labeled.

An illustration of a sphere showing diameter, arcs, and circles. A sphere is a solid bounded by a curved… Sphere With Arcs, Circles, and Zones Labeled.

An illustration of a sphere showing diameter, arcs, and circles. A sphere is a solid bounded by a curved… Sphere Made by Revolution of Semicircle

Illustration of a sphere generated by the revolution of a semicircle ACB about its diameter AB as an… Material Sphere

Illustration of a material sphere that can be used to find its diameter. Plane Passing Through a Sphere

Illustration of a plane passing through a sphere. Sphere With Tangent Plane

Illustration of a sphere with a tangent plane. "A plane perpendicular to a radius at its extremity is… Sphere With Tangent Plane

Illustration of a sphere with a tangent plane. "A plane perpendicular to a radius at its extremity is… Polyhedral Angle in a Sphere

Illustration of a sphere with a polyhedral angle whose vertex is at the center of the sphere and whose… Polyhedral Angle in a Sphere

Illustration of a sphere with a polyhedral angle. Sphere Formed By Pyramids

Illustration showing that "the solids formed by the dissected part of the sphere are pyramids." A sphere with quadrants and poles. "A point on the surface of a sphere, which is at the distance of… Sphere With a Radius of 1 foot

An illustration of a sphere showing a radius of 1 foot. Illustration could be used for calculating volume. Segment Of Sphere

An illustration of a segment of a sphere. Wooden Sphere

A wooden hollow sphere created by using a lathe and wooden templet at a desired diameter. Zones or Segments of Spheres

An illustration of a zone of a sphere. A zone occurs when a sphere is cut by parallel planes that are… Zones or Segments of Spheres

An illustration of a zone of a sphere. A zone occurs when a sphere is cut by parallel planes that are… Equal Spheres With Triangles

Illustration of equal spheres with equal triangles. Equal Spheres With Triangles

Illustration of equal spheres with equilateral and equiangular triangles. Intersecting Spheres

Illustration of two intersecting spheres. "The intersection of two spherical surfaces is the circumference… Measure of a Spherical Angle

Diagram used to prove the theorem: "A spherical angle is measured by the arc of a great circle described… Flanged Spherical Segment

An illustration of a flanged spherical segment with a diameter of 10 inches. Illustration could be used… Volume of Spherical Segment

Diagram used to prove the theorem: "The volume of a spherical segment is equal to the sum of two cylinders… Side Comparison of Spherical Triangle

Diagram used to prove the theorem: "In a spherical triangle, the greater side is opposite the greater… Superimposed Symmetrical Spherical Triangles

Diagram showing 2 superimposed symmetrical spherical triangles. Symmetrical Spherical Triangles

Diagram showing 2 symmetrical spherical triangles.