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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.
He describes how the comb is mass manufactured, details the spring, gears and governor that drive the box, and shares some history of early music boxes. Outtakes are included at the end of the video. Čeština: Jak funguje music box - krátký naučný film z roku 2015 natočený Billem Hammackem vysvětlující princip funkce hrací skříňky ...
A Polyphon is a large disk-operated music box. The plectra protrude from the backside of the disk. As the disk rotates they contact a ratchet mechanism that plucks the tines. A large sounding board amplifies the sound. Many interchangeable disks were be available for producing favorite melodies.
A jack-in-the-box is a children's toy that outwardly consists of a music box with a crank. [1] When the crank is turned, a music box mechanism in the toy plays a melody. After the crank has been turned a sufficient number of times (such as at the end of the melody), the lid pops open and a figure, usually a clown or jester, pops out of
Wallboxes were an important, and profitable, part of any jukebox installation. Serving as a remote control, they enabled patrons to select tunes from their table or booth. One example is the Seeburg 3W1, introduced in 1949 as companion to the 100-selection Model M100A jukebox.
Tuning pegs with knobs on a veena.. Tapered pegs are a simple, ancient design, common in many musical traditions. Tapered pegs are common on classical Indian instruments such as the sitar, the Saraswati veena, and the sarod, but some like the esraj and Mohan veena often use modern tuning machines instead.
The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.
(This mechanism is also called a double-weighted pendulum, because there is a second, fixed weight on the other side of the pendulum pivot, inside the metronome case.) The pendulum swings back and forth in tempo, while a mechanism inside the metronome produces a clicking sound with each oscillation.
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