Describes how to build a drilling machine appropriate for rural workshops, and gives full assembly instructions. The machine, which is a vertical drill for use with either metal or wood, can drill holes up to 12mm in diameter in 12mm steel plates.
Published by Practical Action Paul Smith December 1986. 48 pp.
How to Make a Foot-Operated Workshop Drill 
Describes how to build a drilling machine appropriate for rural workshops, and gives full assembly instructions. The machine, which is a vertical drill for use with either metal or wood, can drill holes up to 12mm in diameter in 12mm steel plates.