機械たちの調べ

For instance, the G above the treble staff may be stuck on all the strings; so that if a trill were being performed on that note on one string, an arpeggio passage containing the same note could be produced on the other string. Of course, no human player could do that.

四弦それぞれにボーイング機構が付属していますから…

It is possible for the player to render a solo part with two accompanying violin parts, all on one violin.

１本のバイオリンで２本分…

このキカイは、商業的に失敗し、現存していないということです。もし、世界のどこかでこのキカイを見つけたら教えて下さいませ。