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Imperial Bösendorfer in the Music Hall of the University of Bamberg. The Bösendorfer Model 290 Imperial, or Imperial Bösendorfer (also colloquially known as the 290 [1]) is the largest model and flagship piano manufactured by Bösendorfer, at around 290 cm (9 ft 6 in) long, 175 cm (5 ft 9 in) wide, and weighing 552 kg (1,217 lb). [2]
As Weber's business grew, his pianos received recognition. The company received medals at the Philadelphia Worlds Fair (1876), the London World's Fair (1887) and the Paris World's Fair (1889). [12] Weber also advertised his pianos aggressively, and is believed to have coined the term "Baby Grand" to describe a small grand piano. [13]
Toy pianos come in many shapes, from scale models of upright or grand pianos to toys which only resemble pianos in that they possess keys. Toy pianos are usually no more than 50 cm in width, and made out of wood or plastic. The first toy pianos were made in the mid-19th century and were typically uprights, although many toy pianos made today ...
A square grand piano. The square piano is a type of piano that has horizontal strings arranged diagonally across the rectangular case above the hammers and with the keyboard set in the long side, with the sounding board above a cavity in the short side. It is variously attributed to Silbermann and Frederici and was improved by Petzold and ...
Sohmer & Co. trademark. Sohmer & Co. was a piano manufacturing company founded in New York City in 1872. Sohmer & Co. marketed the first modern baby grand piano, and also manufactured pianos with aliquot stringing and bridge agraffes, as well as Cecilian "all-inside" player pianos and Welte-Mignon-Licensee reproducing pianos.
One upper and one lower front panel. The Patented Cupola Steel Frame is constructed on the principle of our Grand Pianos, with Capo-d'Astro Bar cast integrally. Height, 4 feet 6 3/4 inches; depth, 2 feet 5 inches; width, 5 feet 2 inches. Net weight, 695 lbs. Gross weight, 1015 lbs. 881/2 cubic feet, boxed." [6]
The other factor that affects pitch, other than length, density and mass, is tension. Individual string tension in a concert grand piano may average 200 pounds (91 kg), and have a cumulative tension exceeding 20 tonnes (20,000 kg) each.
in general, an enormous increase in weight and robustness. A modern Steinway Model D weighs 480 kg (990 lb), about six times the weight of a late 18th-century Stein piano. The hammers and action became much heavier so that the touch (key weight) of a modern piano is several times heavier than that of an 18th-century piano.