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Metalwork, technology and practice; an introductory course to the metal trades, occupations, hand tools, bench work, power saw, metals, care of equipment, drill press, screw threads, assembling, sheet metal work, art metal work, forging, casting, tool sharpening, metal finishing, inspecting, lathe work, and metal spinning.

Metalwork, technology and practice; an introductory course to the metal trades, occupations, hand tools, bench work, power saw, metals, care of equipment, drill press, screw thread...

di Ludwig, Oswald A.
Pubblicazione 1943

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