Plug lapping machine
Plug lapping machine
Plug cock lapping machine by Taylor Ltd. of Birmingham with lay shaft: overhead shafting, used by Barbour Wilson & Company Ltd. tap makers until about 1990, complete with gunmetal plug cork workpiece.
Plug lapping machine
Countershaft with fast-and-loose pulleys and another pulley, with 2 bearings in hangers, belt fork and 2 striking rods, and a sheet-metal guard
Gunmetal plug cock workpiece for demonstration use with tapping machine