Description: Patent for "a mounted adjustable frame adapted to the use of either cultivator or plow, and which shall be provided with means whereby the track can be narrowed or widened and the depth regulated as desired; also, by which the standard or standards can be raised or lowered independently of or dependently upon the height of axle-arm" (lines 13-21).
Date: February 4, 1890
Creator: Stevens, Isaac W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department