DescriptionWooden ruler advertising the Hoboken Wood Flooring Corp., 335 Observer Highway, Hoboken, N.J. No date, circa 1945-1960. Varnished natural maple wood, overall 6-3/4" long x 1-1/6" high x 3/16" thick. Beveled front edge; chamfered ends; 6" printed rule on front with architect's rules on back for 3/8", 1/2", 3/4" and 1" scales. Printed front and back in black. Company listed itself as "Hardwood Wholesale Flooring" with office and warehouse at the address above. Reverse notes Dierks pine flooring, Robbins Brand M.F.M.A. maple flooring and N.O.F.M.A. oak flooring.