Norris No. 51GS Gunmetal Smoothing Plane as illustrated in the 1914 Norris Catalogue Adjustable Planes fitted with Norris Patent Adjustment. The patent adjustment is an effective device, giving lateral and vertical movements to the cutter and is controlled by one operating knob. Fitted with best...Continue Reading... Norris Number 51GS / 51G Gunmetal Smoothing Plane