An ORIGINAL CA. 1920'S CATALOGUE OF MACHINIST'S TOOLS by the Columbia Caliper Company, Marietta, Pennsylvania. This softbound catalogue of 16 pages, which measures 6" tall by 3 1/4" in width, illustrates and documents the full line of special purpose machinist's tools then being offered by this Pennsylvania based company. It includes "spherometers", exposed thread micrometers and the "Which Way" pocket bullseye level. The only catalogue of this early 20th Century Company of which we are aware. Length = 6.00 Inches (Ref. Id No.: 123476) [Free Shipping]