The floor plan for the basement of a Pennsylvanian barn.

The Pennsylvanian barn

The floor plan for the basement of a Pennsylvanian barn.

A canopy is an overhead roof or structure that is able to provide shade or shelter. A canopy can also be a tent, generally without a floor. This canopy is an architectural projection that provides weather protection, identity or decoration, and is supported by its own ground mounting.

Building Canopy

A canopy is an overhead roof or structure that is able to provide shade or shelter. A canopy can also…

A cartoon of a woman falling on a slippery surface while waving to a man, who stands next to her.

Cartoon of Man and Woman Falling on Slippery Surface

A cartoon of a woman falling on a slippery surface while waving to a man, who stands next to her.

This marble mosaic circular panel is found on the floor of the St. Vitale church in Ravenna, Italy.

Marble Mosaic Circular Panel

This marble mosaic circular panel is found on the floor of the St. Vitale church in Ravenna, Italy.

A style of drill that is mounted on a stand or bolted to the floor or workbench.

Standard Drill Press

A style of drill that is mounted on a stand or bolted to the floor or workbench.

An illustration of an entry way including all terms.

Entry Way

An illustration of an entry way including all terms.

Floor Pavement at Kujundschik.

Kujundschik

Floor Pavement at Kujundschik.

An illustration of an man sleeping on a bed of straw in a small house.

Man Sleeping on Floor

An illustration of an man sleeping on a bed of straw in a small house.

This gold pattern is a 15th century design found on the floor of the altar shrine in the monastery of Heilbronn in Germany.

Gold Pattern

This gold pattern is a 15th century design found on the floor of the altar shrine in the monastery of…

This gold pattern is a design found on the floor of the altar shrine in the church of St. Egidius, Barthfeld, Slovakia.

Gold Pattern

This gold pattern is a design found on the floor of the altar shrine in the church of St. Egidius, Barthfeld,…

This painted gold pattern is 15th century design found on the floor of the St. Lorenzo church in Rottweil, Germany.

Painted Gold Pattern

This painted gold pattern is 15th century design found on the floor of the St. Lorenzo church in Rottweil,…

"Suppose a, b, to be a marble floor, and c, to be an ivory ball, which has be thrown towards the floor in the direction of the line c e; it will rebound in the direction of the line e d, thus making the two angles f and g exactly equal." -Comstock 1850

Reflected Motion

"Suppose a, b, to be a marble floor, and c, to be an ivory ball, which has be thrown towards the floor…

A young man staining a wooden floor.

Staining

A young man staining a wooden floor.

A woman washing her kitchen floor.

Washing the Floor

A woman washing her kitchen floor.

A weighted brush used to scrub floors.

Weighted Brush

A weighted brush used to scrub floors.

An illustration of an elderly sweeping the floor.

Elderly Woman Sweeping

An illustration of an elderly sweeping the floor.