Two-valved
51Blues harp — Blues harp, also called a richter tuned harmonica or 10 hole harmonica (in Asia), is the most widely known type of harmonica. In the United States and Europe, it is called a diatonic harmonica. It has ten holes which offer the player 19 notes (10 …
52Victor Ewald — BiographyVictor Ewald (Russian: Виктор Владимирович Эвальд, November 27, 1860 April 16, 1935), was a Russian composer of music, mainly for conical brass instruments.He was born and died in St. Petersburg. Ewald was a professor of Civil… …
53Orchestra — For other uses, see Orchestra (disambiguation). The Jalisco Philharmonic Orchestra An orchestra is a sizable instrumental ensemble that contains sections of string, brass, woodwind, and percussion instruments. The term orchestra derives from the… …
54wind instrument — /wind/ a musical instrument sounded by the breath or other air current, as the trumpet, trombone, clarinet, or flute. [1575 85] * * * ▪ music Introduction any musical instrument that uses air as the primary vibrating medium for the… …
55Radio transmitter design — In plate modulation systems the voltage delivered to the stage is changed. As the power output available is a function of the supply voltage, the output power is modulated. This can be done using a transformer to alter the anode (plate) voltage.… …
56Tuba — For other uses, see Tuba (disambiguation). Tuba Two F tubas, from c.1900 (left) and 2004 (right) Brass instrument Classification Wind Brass …
57tuba — /tooh beuh, tyooh /, n., pl. tubas for 1a, b, 2; tubae / bee/ for 1c. 1. Music. a. a valved, brass wind instrument having a low range. b. an organ reed stop of large scale with tones of exceptional power. c. an ancient Roman trumpet. 2. Meteorol …
58Horn (instrument) — Corno redirects here. For the river, see Corno (river). French horn redirects here. For the luxury hotel and restaurant, see French Horn, Sonning Eye. Horn Horn Brass instrument Other names …
59Hindenburg disaster — Infobox Aircraft accident name = LZ 129 Hindenburg caption = Hindenburg a few seconds after catching fire. date = May 6, 1937 type = Airship fire site = Lakehurst Naval Air Station in Manchester Township, New Jersey coords =… …
60Radio receiver design — is a complex topic which can be broken down into a series of smaller topics. A radio communication system requires two tuned circuits each at the transmitter and receiver, all four tuned to the same frequency. [Cheney, M., Uth, R., Glenn, J.… …
