An example of HARVIE'S PATENT MARKING GAUGE, No. 17, by the Nicholls Manufacturing Company, Ottumwa, Iowa. The body of the tool is marked with the designation Patent Applied. A sliding mortise beam rests inside the marking beam to allow the gauge to be used as either a mortise or marking gauge. This gauge was patented by Albert A. Harvie of Ottumwa, Iowa on July 25, 1911. This example is in brand new, unused condition. Length = 6.75 Inches (Ref. Id No.: 299184) [Free Shipping]