6904-087 HUTCHINSON 12-in-1 combination tool. Patented in 1927 by Thomas Hutchinson of Chicago and manufactured in Nashville; it consists of two 6" ruled arms that can be locked together in various configurations to serve as a square, bevel, depth gauge, etc. This is the nickel plated version, marked with the patent date. Like new. Fine (DLY138) 50 - 100