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During the seventeenth century, a analyze of combustion was created by Jan Baptist van Helmont who found that burning charcoal unveiled a gas sylvestris, or wild spirit.[32] This was subsequently incorporated into Phlogiston concept by Johann Joachim Becher in 1667; an idea that would dominate alchemical imagining for practically two https://fireratedductworthinsulat57889.bloggosite.com/43874884/how-fire-rated-ductworth-insulation-can-save-you-time-stress-and-money

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