Labels:baseball bat | bulletin board | hakham | paper | person | sky | vegetarianism OCR: FACTS BoX NAME: FRENCH HORN Hom or Double Horn FAMILY: Brass BRASS PITCH RANGE: Three-and-ahalf octaves COMPLETE MA TERIAL: Brass RANGE SIZE Variable; total length of unw ound tube betw een and 12 ft (2.83.6 m). ORIGINS: The French horn developed from the hunting horn, with the addition of crook: in the 8th century and valves in the early 19th CLASSIFICATION: Aerophone: an instrument that produces its sound by the vibration of a column of air DID YOU KNOW? As it is difficult for a player to be able to master both the extreme high and the exreme low notes players specialize in one or other range half crooks 18th valyes