Cone Cut By Plane

Illustration of a right circular cone that has been cut by a plane parallel to the base. The lower part…

Cone Cut By Plane

Illustration of a right circular cone that has been cut by a plane parallel to the base. The top section…

Development of a Cone

Pattern that can be used to make a cone. Development of a cone.

Development of Cone

A rolled out image of a cone by dividing the base in equal parts and arcs to measure the true lengths.

Frustum of A Cone

Illustration of a frustum of a right circular cone with hidden edges shown. When a cone is cut by a…

Frustum of A Cone

Illustration of a frustum of a right circular cone. When a cone is cut by a plane parallel to the base,…

Invariable Cone

Possible forms of the invariable cone by means of the intersections with a concentric spherical surface.

Oblique Cone

Illustration of an oblique cone.

Plan and Elevation of a Cone

Plan and elevation of a cone.

Right Circular Cone

Illustration of a right circular cone with the diameter of the base equal to the height of the cone.

Right Circular Cone

Illustration of a right circular cone with the diameter of the base greater than the height of the cone.

Right Circular Cone on Side

Illustration of a right circular cone resting on an element such that the vertex is on the bottom and…

2 Similar Right Circular Cones

Illustration of 2 right circular cones that are similar.

Conic Involution

The lines which join corresponding points in an involution on a conic all pass through a fixed point;…

Conic Motion

Instantaneous axis of two cones, each with angular velocity

Conic Section Using Circle

The cone is sliced by a circle in a plane perpendicular to the axis. This can be drawn without knowledge…

Conic Section Using Ellipse

The cone is sliced by a ellipse by making an angle within the plane. This can be drawn with knowing…

Conic Section Using Hyperbola

The cone is sliced by a hyperbola within a plane. The angle of the hyperbola will make a smaller angle…

Conic Sections

Conic sections, cones divided by a plane.

Development of Cylinder

The illustration shows the cylinder rolled out in a tangent plane of the base to create a development…

Development of Hexagonal Prism

An illustration of a hexagonal prism rolled out, or "stretched out" in the straight line AB.

Development of Hexagonal Pyramid

An image of a hexagonal pyramid stretched out. The length of the edges are equal plane, and intersects…

Conic Foci Involution

The lines joining any point on a conic to the two foci are equally inclined to the tangent and normal…

Oblique Cone by Triangulation Connecting to Two Parallel Pipes of Different Diameters

"An oblique cone connecting two parallel pipes of different diameters... the true size of the base is…

Development of Oblique Cone by Triangulation

A development or rolled out oblique cone using triangulation. The method of triangulation is done by…

Development of Octagonal Dome

A stretched out image of the octagonal dome by using projection or with dividers to create a five-piece…

Parabola Foci Properties

The segments between the point of intersection of two tangents to a conic and their points of contact…

Development of Rectangular Pyramid

The illustration of a rectangular pyramid unfolded by creating edges equal length to the base and meeting…

Second Order Curve

Five points are given, of which not three are in a line, a curve of second order may be drawn through…

Development of Sphere Gore Method

An illustration in flattening the sphere using Gore method by creating cylinder sections with equal…

Development of Sphere Zone Method

An illustration of a development of sphere using Zone method by creating sections of rolled out cones.

Development Of Sphere

Illustration showing the development of a sphere by the perspective of its resolved cones.