"Jig Boring - an Instruction Manual and Training Course for Engineering Craftsmen" by the Engineering Industry Training Board. Instructions for the practical operation of jig borers are rare, but this detailed, easy-to-follow and well-illustrated course of instruction with step-by-step guides is a great help.

"Jig Boring - an Instruction Manual and Training Course for Engineering Craftsmen" by the Engineering Industry Training Board. Instructions for the practical operation of jig borers are rare, but this detailed, easy-to-follow and well-illustrated course of instruction with step-by-step guides is a great help.