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The modern Dvorak layout (U.S.) Dvorak / ˈ d v ɔːr æ k / ⓘ [1] is a keyboard layout for English patented in 1936 by August Dvorak and his brother-in-law, William Dealey, as a faster and more ergonomic alternative to the QWERTY layout (the de facto standard keyboard layout).
This was a keyboard instrument played with plectra and activated by electricity, but neither instrument used electricity to produce sound. In 1874, Elisha Gray invented an electric musical instrument called the musical telegraph. It made sound from an electromagnetic circuit's vibration. [6]
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] This list categorizes keyboard instruments by their designs, and thus operations.
The earliest known keyboard instrument was the Ancient Greek hydraulis, a type of pipe organ invented in the third century BC. [2] The keys were likely balanced and could be played with a light touch, as is clear from the reference in a Latin poem by Claudian (late 4th century), who says magna levi detrudens murmura tactu . . . intonet, that is "let him thunder forth as he presses out mighty ...
Afrikaans; Alemannisch; العربية; Aragonés; Asturianu; Azərbaycanca; বাংলা; Беларуская; Беларуская (тарашкевіца)
Blickensderfer "scientific" keyboard advertisement. By way of comparison, the later Dvorak keyboard layout has the consonants on its home row in DHIATENSOR order: D H T N S. The Dvorak R is in the neighboring far row, between T and N. The same vowels, plus U, are present on the left in a different order.
The Russell Collection is a substantial collection of early keyboard instruments assembled by the British harpsichordist and organologist Raymond Russell. It forms part of the Musical Instrument Museums collection of the University of Edinburgh , and is housed in St Cecilia's Hall .
August Dvorak (May 5, 1894 – October 9, 1975) [1] [2] was an American educational psychologist and professor of education [3] at the University of Washington in Seattle, Washington. [4] He and his brother-in-law, William Dealey, are best known for creating the Dvorak keyboard layout in the 1930s as a replacement for the QWERTY keyboard layout.