tuba

tuba, deep-pitched brass wind instrument with valves and wide conical bore. The word tuba originally was the name of a straight-built Roman trumpet and was the medieval Latin word for trumpet. Valved bass brass instruments for bands are mentioned as early as 1829, but little is now known about them. In 1835 Wilhelm Wieprecht and Johann Gottfried Moritz of Berlin patented the bass tuba in F, with five valves. Subsequent designs were considerably influenced by...