Frederic Francois Xavier Carchereux

CARCHEREUX, Frederic François Xavier Worked circa. 1924 La Flèche France. Patented a ‘rational perfectioning of the violin'; an invention for maintaining the plates, neck and resonant body in ‘perfect equilibrium’ under the tension of the strings; two internal supports running straight from the neck to the bridge, and from a block in that position to the lowest part of the back, along with an extended bass bar. [Henley]