Mechanical aid for use with a violin or a viola when learning to play vibrato

摘要

939,750. Violins. A. GARAI. April 17, 1962, No. 14906/62. Class 88 (2). An aid for use when practising vibrato on a violin or a viola comprises an arm rest 11 adjustably mounted on a tubular projection 10 clamped to the edge of the violin body with intervening layers of felt. The rest 11 is fixed to a screw 12 engaging a thread in the tube 10. The arm rest is fixed by a locking-nut 13. The clamp is operated by screws 5.