Hand and Foot Powered Metal Working Tools and Machines

I have been looking into hand and foot powered tools and machinery for working sheet metal and light gauge sections. Attached is the presentation I've put together so far. It is a work in progress.

read the full pdf:
http://stoves.bioenergylists.org/files/metal_working_tools_and_machines.pdf

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metal_working_tools_and_machines.pdf1.62 MB