An engraving depicting a sectional view of the

An engraving depicting a sectional view of the electrical furnace used by Henri Moissan to produce artificial diamonds by compressing pure sugar charcoal in a cylinder of soft iron with a soft iron plug: this was put in a crucible containing 200g of molten iron and melted in an electric furnace, the withdrawn and rapidly cooled. Dated 19th century

Artificial Charcoal Compressing Containing Cooled Crucible Cylinder Diamonds Furnace Melted Moissan Molten Plug Produce Pure Rapidly Sectional Soft Withdrawn

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