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 …
This machine would be a useful addition to any woodwork shop, enabling new products to be made without the use of electricity. It could be the basis for a village industry, and can …
This manual describes how to build a machine for rolling sheet metal into curves and cylinders and gives full dimensions and assembly instructions.