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A "quarter-turn" stair deposits the person facing 90° from the starting orientation. Likewise, there are half-turn, three-quarters-turn and full-turn stairs. A continuous helix may make many turns depending on the height. Very tall multi-turn helical staircases are usually found in old stone towers within fortifications, churches, and in ...
A dog-leg staircase A quarter-landing, on a dog-leg staircase, is made into an architectural feature, by the use of arches, vaulting and stained glass. A dog-leg is a configuration of stairs between two floors of a building, often a domestic building, in which a flight of stairs ascends to a quarter-landing before turning at a right angle and continuing upwards. [1]
The combination stair is a T-shaped compromise design popular in the nineteenth century that was found in some moderate-sized houses. [1] In this design, both the formal front stair and the utilitarian back stair ran to a common intermediate landing. [2] One common stair then extended from this intermediate landing to the second floor of the house.
Stair nosing, especially in commercial and industrial settings, are typically fitted with a non-slip surface to increase traction and prevent injury or even death from slips, trips, and falls. The National Safety Council reports that there are over one million stair-related accidents every year. [ 2 ]
An imperial staircase (sometimes erroneously known as a "double staircase") is the name given to a staircase with divided flights. Usually the first flight rises to a half-landing and then divides into two symmetrical flights both rising with an equal number of steps and turns to the next floor .
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A loose ball cap finial on the newel post at the base of the stairway is a plot device in the 1946 classic It's a Wonderful Life.The same is used in jest in the 1989 film Christmas Vacation, in which Clark Griswold, in an emotional meltdown, cuts a loose finial off a newel post with a chainsaw.