JACKSCREW
Source: 567
Jack″screw′ (?), n. A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.
Source: 567
Jack″screw′ (?), n. A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.