Bow for violoncello.

Technical description: The round, slightly concave (almost straight, but unevenly curved), pernambuco (?) or ironwood (?) bow ends in a transitional head. The open, screw-mechanism, sloped, ivory frog has a brass screw eye. The ivory button is cylindrical with ribs.Weight: 74.Hair length: 586.Balance point: 253.5.Head height: 27.7.Head width: 12.6.Face length: 33.4 (mid-point to mid-point).Tip diameter: 7.6.Frog diameter: 11.0.Nipple range: 2.1 to 2.4.Period of oscillation: 1.37.Distance from pivot to tail: 69.95.Button length: 12.5.Ferrule width: 12.1.Frog + stick height: 35.4.Frog top length: 46.5.