Otto, instrument maker to the Court of the Grand Duke of Weimar, was a highly regarded builder, and an expert restorer of stringed instruments, with years of experience that went into this Treatise. It was cited by other 19th century writers on the subject of violins and their relatives, and provides modern restorers valuable insights into earlier techniques. Chapters include the construction and care of stringed instruments and the bows that give them voice, and the best European instrument makers