7001-253 BATES PATENT marking gauge. Patented in 1896, featuring an elaborate cast bronze adjustable head designed to be used on beveled and curved edges. One of the rarest and most gizmoish of the marking gauges, the head is in fine condition with all its parts and clearly marked with the patent date. Stem has some wear and a largish chip from the end. Good+ (ECN333) 100 - 200