Description:
Grover & Co. technical drawings: Technical drawing of Punch Box for Type 8 Perforating Machine. Pattern numbers Bridle - G7264 - C.S. Base - G7265 - C.I. Drawing number 3418. Scale full size. Date 29 June 1926 (note to 'see revised drg. No. 6121'). 80cm x 40cm.