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The Cessna Model 401 is an American short-range utility light transport produced between 1965 and 1972. The Cessna Model 401 is powered by two Teledyne Continental TSIO-520-E flat-six piston engines providing a top speed of 367 kmh and a range of 1300 km. The Cessna Model 401 carries a flight crew of one or two and up to six passengers or freight in the cabin.
 Research Cessna Model 401
The Cessna Model 402 is an American short-range utility light transport, almost identical to the Cessna Model 401, first produced in 1965. The Cessna Model 402 is a low-wing cantilever monoplane powered by two Teledyne Continental TSIO-520-E flat-six piston engines providing a top speed of 367 kmh and a range of 1300 km. The Cessna Model 402 differs from the Cessna Model 401 in having a convertible cabin allowing it to operate as a nine-seater commuter aircraft or light cargo transport.
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E flat is a tone which is intermediate between D and E.
Research E Flat
The trumpet is a musical instrument of the brass family. The trumpet is the earliest known brass wind instrument, and consists of a tube of about 1.5 meters long curved twice to form three lengths for convenience of holding. One end widens into a bell and the other end is mounted with a cupped mouthpiece. The pitch of notes is altered by way of key operated valves.
Originally a trumpet could only produce the notes in the harmonic series of the key in which it was pitched, necessitating the use by the player of different crooks whereby the length of the tube could be altered.
These crooks gave the keys of F, E, E flat, and D, all of which sounded higher than the notation of C in which the part was written. With the C crook, the notation and the crook were in unison; with the B flat crook, the sound was a tone lower. Even with the crooks, however, there were inevitable lacunae in the scale. The first notable attempt to remedy this defect consisted of an adaptation of the slide principle, like a trombone, by which the pitch could be altered for a semi-tine or a tone without change of crook. The modern trumpet, however, is fitted with valves so that any note can be obtained within the compass.
Research Trumpet
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The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
©1993 - 2009 The Probert Encyclopaedia
Southampton, United Kingdom
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