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A music box (American English) or musical box (British English) is an automatic musical instrument in a box that produces musical notes by using a set of pins placed on a revolving cylinder or disc to pluck the tuned teeth (or lamellae) of a steel comb.
A musical clock is a clock that marks the hours of the day with a musical tune. They can be considered elaborate versions of striking or chiming clocks. [1] Elaborate large-scale musical clocks with automatons are often installed in public places and are widespread in Japan. Unlike conventional electronic musical clocks, these clocks plays pre ...
Clocks using only Arabic numerals first began to appear in the mid-18th century. [citation needed] The clock face is so familiar that the numbers are often omitted and replaced with unlabeled graduations (marks), particularly in the case of watches. Occasionally, markings of any sort are dispensed with, and the time is read by the angles of the ...
The chromatic circle is a clock diagram for displaying relationships among the equal-tempered pitch classes making up a given equal temperament tuning's chromatic scale on a circle. Explanation [ edit ]
The tone clock, and its related compositional theory tone-clock theory, is a post-tonal music composition technique, developed by composers Peter Schat and Jenny McLeod. The purpose of the tone-clock is to consistently order chromatic pitches into 12 triads where each pitch is used only once. [ 1 ]
An initial producer of musical boxes and clock movements (which they were still producing in the 1950s), as well a cigarette lighters, they started producing Edison-type phonographs in 1903. Thorens TD190-1 (first 190 since 1999)
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Regina Music Box – Regina's music boxes were their original product, and they had an 80–90% share of the market at the company's peak. Regina music boxes use a flat metal disc, as opposed to a cylinder. Sizes ranged from 8.5 to 27 inches. The boxes were renowned for the rich tone, and they used a double set of tuned teeth.