This coffee pot was made in Paris, France. It has a geometric like engraving of leaves and scrolls.

An geometric illustration of the algebraic product of (x+y)(x+y).

Illustration that can be used to prove the Pythagorean Theorem, the sum of the squares of the legs is…

Illustration that can be used to prove the Pythagorean Theorem, the sum of the squares of the legs is…

A visual illustration used to prove the Pythagorean Theorem by rearrangement. When the 4 identical triangles…

Plan, front, and side views of a square pyramid after revolving pyramid through 30° with vertical…

Plan, front, and side views of a square pyramid after revolving pyramid through 30° with horizontal…

A ray has one endpoint and extends indefinitely in the other direction. The ray in this illustration…

A ray has one endpoint and extends indefinitely in the other direction. The ray in this illustration…

A ray has one endpoint and extends indefinitely in the other direction. The ray in this illustration…

Projection of a square bar with a cylindrical portion.

The modern panel is a parquetry design of a geometric mosaic of wood pieces used for decorative effects.

The modern square panel is a parquetry design of a geometric mosaic of wood pieces used for decorative…

The modern square panel is a parquetry design of a geometric mosaic of wood pieces used for decorative…

The modern square panel is a parquetry design of a geometric mosaic of wood pieces used for decorative…

Illustration of the intersection of a square pyramid and a plane.

Illustration of the intersection of a square pyramid and a plane.

An illustration showing a triangle with interior angles A, B, C, and exterior angles D, and A' + B'.