ClipArt ETC
An illustration of an inclined railway, also known as a funicular or funicular railway. This railway runs on a pulley system, where two cars are counterbalanced, with one car ascending and one car descending.

Inclined Railway

An illustration of an inclined railway, also known as a funicular or funicular railway. This railway…

Orthogonal projection of a closed plane-faced polyhedron.

Polyhedron

Orthogonal projection of a closed plane-faced polyhedron.

Orthogonal projection of a closed plane-faced polyhedron.

Polyhedron

Orthogonal projection of a closed plane-faced polyhedron.