"The New Langwill Index lists over 6000 wind instrument makers. Of these one of the most important, especially in terms of sheer output, is Pierre Louis ...
Gautrot (1812-82), proprietor of the famous French firm of Gautrot-Aine, founded in 1848." - William Waterhouse, "Gautrot-Aine, First of the moderns" in: Stewart Carter (Editor), Brass Scholarship in Review, Proceedings of the Historic Brass Society Conference 1999, S. 121-132. Zitat von Seite 121