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A KUB is a plain frontal supine radiograph of the abdomen. It is often supplemented by an upright PA view of the chest (to rule out air under the diaphragm or thoracic etiologies presenting as abdominal complaints) and a standing view of the abdomen (to differentiate obstruction from ileus by examining gastrointestinal air/water levels).
In the 1860s, more extensive metal frames were developed for square grand pianos, meaning that higher string tensions and therefore greater volumes were possible; however the size increases meant that the upright piano design was more economical, and so the upright replaced the square as the most common home instrument.
The Model K or "Vertegrand" is an upright piano introduced in 1903 by Steinway & Sons. It is the oldest essentially unchanged upright piano design currently in mass production. Although production was interrupted from about 1939 until its reappearance in 1982, the structural design has remained essentially the same for well over a century. [1]
Piano Grand piano Upright piano Keyboard instrument Hornbostel–Sachs classification 314.122-4-8 (Simple chordophone with keyboard sounded by hammers) Inventor(s) Bartolomeo Cristofori Developed Early 18th century Playing range The Well-Tempered Clavier, first prelude of Book I Played by Kimiko Douglass-Ishizaka Problems playing this file? See media help. A piano is a keyboard instrument that ...
Pressing a key on the keyboard makes the instrument produce sounds—either by mechanically striking a string or tine (acoustic and electric piano, clavichord), plucking a string (harpsichord), causing air to flow through a pipe organ, striking a bell , or activating an electronic circuit (synthesizer, digital piano, electronic keyboard).
The most common of these are the piano, organ, and various electronic keyboards, including synthesizers and digital pianos. Other keyboard instruments include celestas, which are struck idiophones operated by a keyboard, and carillons, which are usually housed in bell towers or belfries of churches or municipal buildings. [1]
[6]: 88 The 2000s-era grand piano action is a distant descendant of Cristofori's original. One of the most well-known French piano actions was created by Jean Schwander in 1844 and improved upon by his son-in-law Josef Herrburger; the Schwander action is still used in Bechstein pianos. At the turn of the century, Schwander-Herrburger merged ...
As with Steinway's grand pianos, Upright Grands were sometimes given custom art cases. The most famous of these were the two Rococo art case Model Rs installed in the First Class spaces of the RMS Titanic along with a similarly styled art case Model B, in addition to two standard Model Ks located in the Second Class spaces.