Square turning tool, 1-inch square, used in the machining of dredger pin (1929-893/1) stamped Osborn and Co. Sheffield, type SCBV cutting alloy. Square turning tool
Black and decker hand held electric vitrifier (angle grinder) fitted with a disc and with two spare discs to be used for fetling work; c. 1953. Black and decker hand held electric vitrifier