Complete plans and operating instructions for a 10 inch diameter cupola that melts 330 pounds of iron when powered by a shop vac. Also included are plans for a high pressure blower that will increase the output to 660 pound of iron per hour. All can be built for little cost, mostly from scrap.
Complete plans and operating instructions for a 10 inch diameter cupola that melts 330 pounds of iron when powered by a shop vac. Also included are plans for a high pressure blower that will increase the output to 660 pound ...
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