I just uploaded these pdf's onto my website for free download

Marking Metal
Hand Tapping Machine
Electric Hacksaw
Better Metal Drilling
How To Cut Sheetmetal
How To Use Metal Punches
Swing Docking Saw
This is timber but lends itself
to steel construction, it may
make a good steel cutoff saw

http://www.sawmill.ausmade.com.au/building.html