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A crotalus on display. A crotalus (Spanish: matraca), [1] [2] also known as a crotalum or clapper, is a wooden liturgical rattle or clapper that replaces altar bells during the celebration of the Tridentine Paschal Triduum at the end of Lent in the Catholic Church.
The thickness of a church bell at its thickest part (the "sound bow") is usually one thirteenth its diameter. [11] If the bell is mounted as cast, without any tuning, it is called a "maiden bell". Russian bells are treated in this way and cast for a certain tone. [11] Cutaway drawing of a bell, showing the clapper and interior.
Full-circle tower bell ringing in England developed in the early 17th century when bell ringers found that swinging a bell through a much larger arc than that required for swing-chiming gave control over the time between successive strikes of the clapper. A bell swinging through a small arc acts as a simple pendulum, at a time interval governed ...
Bell ringing at St Botolph's Aldgate in the City of London. A "ring of bells" is the name bell ringers give to a set of bells hung for English full circle ringing.The term "peal of bells" is often used, though peal also refers to a change ringing performance of more than about 5,000 changes.
The thickest part of the mouth of bell is called the soundbow and it is against this that the ball strikes. Beyond the ball is a flight, which controls the speed of the clapper. In very small bells this can be nearly as long as the rest of the clapper. Below the bell chamber there may be one or more sound chambers, (one of which is likely to ...
The bell is suspended from a headstock which can swing on bearings. A rope is tied to a wheel or lever on the headstock, and hangs down to the bell ringer. To ring the bell, the ringer pulls on the rope, swinging the bell. The motion causes the clapper to strike the inside of the bell rim as it swings, thereby sounding the bell.
The clapper ("tongue") of the bell also follows a different design than that used in the West. The art of bellfounding reached its pinnacle in the 18th century, with the production of unimaginably huge bells. The largest bell in the world, the Tsar Bell (218 tons) was cast in 1733 for the Ivan the Great Bell Tower in Moscow. Unfortunately, the ...
Zang (Persian: زنگ) means bell in Persian, for both large bells and small. The term has historically been applied to a number of ringing metal musical instruments, including large bells with clappers worn by elephants, smaller 3-9 inch bells worn on camels, horses, donkeys and cattle, 2-3 inch sheep bells, and tiny bells tied to the legs of hawks.