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A swivel, swivelling, spinny, or revolving chair is a chair with a single central leg that allows the seat to rotate 360 degrees to the left or right. A concept of a rotating chair with swivel castors was illustrated by the Nuremberg noble Martin Löffelholz von Kolberg in his 1505 technological illuminated manuscript , the so-called Codex ...
The design was first presented to the public in November 1933 at a Finnish design exhibition titled Wood Only at Fortnum & Mason in London. [4] The stool has been in continuous production since its initial release in 1933. [5] A 1933 model of the stool was added to the permanent collection of MoMA in 1958. [6] [5] Aalto's Vyborg Library with stools
Turned stools were the progenitor of both the turned chair and the Windsor chair. The simplest stool was like the Windsor chair: a solid plank seat had three legs set into it with round mortice and tenon joints. These simple stools probably used the green woodworking technique of setting already-dried legs into a still-green seat. As the seat ...
Chair, c. 1772, mahogany, covered in modern red morocco leather, height: 97.2 cm, Metropolitan Museum of Art (New York City) A chair is a type of seat, typically designed for one person and consisting of one or more legs, a flat or slightly angled seat and a back-rest.
A stretcher is a horizontal support element of a table, chair or other item of furniture; this structure is normally made of exposed wood and ties vertical elements of the piece together. There are numerous styles of the stretcher including circumferential, double and spindle design. [ 1 ]
Wood is an example of an orthotropic material. Material properties in three perpendicular directions (axial, radial, and circumferential) are different. In material science and solid mechanics, orthotropic materials have material properties at a particular point which differ along three orthogonal axes, where each axis has twofold rotational ...
Other designs include an elbow port, which causes the material to flow out at an angle, and multiple ports. A multiple port rotary union looks like a perforated cylinder. At the end of the cylinder is a threaded screw with a seal or seals that lock on to it. The material being transferred flows into the cylinder and out of the input holes.
Stool with woven seat, 1991–1450 BC, wood and reed, height: 13 cm; Metropolitan Museum of Art. The lattice stool was the most popular type of stool in ancient Egypt.It is rectangular in form with a combination of features.