Color plate illustrates the process of refining sulfur. As seen on the left side of the illustration, crude sulfur is heated over a coal fire which produces a sulfur vapor. This vapor passes into a stone or brick chamber where it condenses on the walls as yellow crystals or a powder referred to as flowers of sulfur. The fire is extinguished after the desired amount of flowers of sulfur are collected.
This plate is from John Howard Appleton's (1844-1930) Chemistry, Developed by Facts and Principles Drawn Chiefly from the Non-Metals, published in 1884. Intended as an introduction to the study of chemistry, this volume contains illustrations throughout the text including color plates. Color plates have been digitized along with a selection of illustrations.
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|Rights||Public Domain Mark 1.0|
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Appleton, John Howard. “Figure 45: Sketch Illustrating the Process of Refining Sulfur.” Chemistry, Developed by Facts and Principles Drawn Chiefly from the Non-Metals. Providence, Rhode Island: Providence Lithograph Company, 1884. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/63dqr4a.
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