Ferdinand and Andreas decided to equip the instrument with a set of the two tuning slides ( D and E-flat ) and two 2nd valve slides.
12.
With simple pulling out a general tuning slide and tuning slides on the third valve, an E-flat instrument could be easily changed from E-flat to a D instrument.
13.
Extra staff members not holding ladders stand along the sidelines to scan the field for wayward hats, mouthpieces, or tuning slides that may fall off during a performance.
14.
With simple pulling out a general tuning slide and tuning slides on the third valve, an E-flat instrument could be easily changed from E-flat to a D instrument.
15.
In the late 1940s and early 1950s, inventive buglers across the country took to sanding one of the tuning slides so it could be used like a trombone slide.
16.
The new shape produced a stronger sound, rather than the modern pair of parallel tuning slides on the bell curve, which prevent the instrument from flaring smoothly through this section.
17.
Generally, during the 20th century changes to the instrument were limited to an upper vent key near the bocal socket, a tuning slide, and a few key linkages to facilitate technical passages.
18.
E . A . Couturier company was known for the unique shape of the valve tubing, which, in its original and purest form did not support any tuning slide for fine pitch adjustment.
19.
Modern copies with a tuning slide in the bell can need more support for operation of the slide, so either an extra stay by the tuning slide is provided or a joint without play in only one axis is employed.
20.
Modern copies with a tuning slide in the bell can need more support for operation of the slide, so either an extra stay by the tuning slide is provided or a joint without play in only one axis is employed.
