In 1832, Georg Kopprasch published a series of technical etudes for this in
In 1832, Georg Kopprasch published a series of technical etudes for this instrument. The crooked version was abandoned in the mid-nineteenth century in favor of the present valved type. Around 1750, Dresden musician Anton Joseph Hampel codified the technique for altering the tone by inserting the right hand into the bell. For 10 points—name this instrument, developed in the country of its name.
In 1832, Georg Kopprasch published a series of technical etudes for this instrument.
{French horn} [prompt on partial answer]