Bow for viola.

Technical description: The round, concave, pernambuco stick has light brown leather lapping tied on at the front end with thick white thread and at the back end underneath the frog. The stick ends in a modern head with an ivory (?) headface. The screw-mechanism, squared, ebony frog has a ferrule made of two pieces of metal, one as the bottom surface, and the other as the curved, top surface. It contains a thin wooden ferrule wedge. The slide is of mother-of-pearl. The ebony button is covered by bone and is octagonal with a rim.Weight: 59.Hair length: 631 (from the ferrule because the ferrule wedge protrudes; measured under tension because the screw is stuck in place).Balance point: 271 (the stick and button are not flush).Head height: 23.5.Head width: 11.0.Face length: 22.35 (from the mid-point to the mid-point).Tip diameter: 6.9.Frog diameter: 8.4 (measured 150 from the end of the stick (not including the nipple and button) to avoid the lapping).Period of oscillation: 1.35.Distance from pivot to tail: 61.9.Button length: 13.4.Ferrule width: 13.0.Frog + stick height: 27.3.Frog top length: 42.9.