John Michael Montgomery - Brothers Til The End

master of the manufacture of copper muses. instruments by J. Shaw in 1824, then by the Belgian instrument designer A. Sachs in 1850, did not receive distribution. Since the end of the 19th century a number of masters make attempts to build instruments in which V.'s combinations would give clean tones that do not need correction (D. J. Blakely, 1874; K. Kottek, 1907; M. Vogel, 1958)., changing the system as a whole and facilitating fingering. The system of increasing V., first developed by English.