This "slide trumpet" survived in specialized roles for several centuries, but it's mainly remembered now as the precursor of the trombone.
NPR: Young Tuba Player Gets Nod from Phila. Orchestra
2.
The band, which just released its first album, MTO Volume One, combines the sounds of violin and banjo alongside trombone and slidetrumpet.
NPR: Steven Bernstein: Mixing the Strange and Familiar
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Trombone is Italian for "big trumpet": instrument makers in the fifteenth century created the trombone as a bigger, lower-pitched, and improved version of the slidetrumpet.
NPR: Young Tuba Player Gets Nod from Phila. Orchestra