Assertion: french horn's valve | /r/HasProperty | designed in collaboration
Facets:
value: with the horn player
type: OTHER
Source sentences:
text: Although the French firm Jérôme Thibouville-Lamy in about 1928 introduced a piston-valved double-horn with ascending third valve, designed in collaboration with the horn player Louis Vuillermoz, the double horn has continued to be identified mainly as a German horn.