bugles ergonomic devices to interpret different shades without changing instruments

摘要

cornets ergonomic devices to interpret different colors without changing instrument (1), designed primarily to provide each particular pitch. This, through a lever system (2) contained linked to rotor shaft transpositor mechanism being transformed said axis, by the end, in a square shaft (19). also integrating a telescopic system, in which caps longer (30) or shorter bushings (31) in a removable part (29) are assembled using, jointly, pumps (35)? do it? or? do re ?, originated through bushings with thickened ends (36) generating pump (35) or directly detachable pump (35) suitable.