I constructed a pure draft furnace to test concepts about how scorching a furnace may get with out the use of bellows. The entire thing took about a week to make because of the slow drying time that was assisted by retaining a fireplace burning in aspect it. The furnace was designed to make use of charcoal (which on this case ought to be 2.5 cm diameter lumps) however I used wood to test it as an alternative as it was simpler to accumulate. Theories of technology usually attempt to predict the way forward for technology primarily based on the … Read the rest