A TORTOISESHELL AND IVORY JAGGING WHEEL, with tortoiseshell and ivory ball, disc and ring-mounted terminus adjoining a ring inscribed and faceted baluster-turned handle with elliptical tortoiseshell lozenge inlay tapering to a circular ring-turned and tortoiseshell inlaid neck with serpentine tine fitted with a tortoiseshell and ivory coggle decorated wheel--6 7/8in. long