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Athanor or Slow Harry, a self-feeding furnace maintaining a constant temperature
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Athanor or Slow Harry, a self-feeding furnace maintaining a constant temperature
Athanor or Slow Harry, a self-feeding furnace maintaining a constant temperature. Centre: 1) Athanor or Slow Harry : 2) side chambers containing reagents: 3) glass receivers. Back: 5) furnace heating retort. Bottom: 7) Long furnace. This plate shows the distillation of nitirc acid (also known as Aqua Fortis or Parting Acid) which was used in the refining and assaying of metals. From 1683 English edition of Beschreibung allerfurnemisten mineralischen Ertzt, Lazarus Ercker, (Prague, 1574). Copperplate engraving
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Media ID 9766887
© Universal History Archive/Universal Images Group
1574 1683 Acid Allerfurnemisten Apparatus Assaying Back Beschreibung Bottom Centre Chambers Chemical Chemistry Constant Copperplate Distillation Edition Ercker Ertzt Furnace Glass Harry Heating Lazarus Long Maintaining Metals Mineralischen Parting Plate Prague Refining Science Side Slow Temperature Aqua Athanor Fortis Reagents Receivers Retort
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This print showcases the intricate apparatus known as Athanor or Slow Harry, a self-feeding furnace that maintains a constant temperature. At its center stands the impressive Athanor or Slow Harry itself, surrounded by side chambers containing various reagents and glass receivers to collect the distilled substances. The back of the apparatus reveals a furnace heating retort, while at the bottom lies an elongated furnace. Originally featured in Lazarus Ercker's renowned book "Beschreibung allerfurnemisten mineralischen Ertzt" from 1683, this copperplate engraving illustrates the distillation process of nitric acid – also referred to as Aqua Fortis or Parting Acid – which played a crucial role in refining and assaying metals during that era. The image exudes an air of scientific curiosity and precision, showcasing early advancements in chemistry. Its detailed depiction invites us into a world where alchemy meets innovation. This historic plate not only captures an essential piece of laboratory equipment but also represents centuries-old knowledge passed down through generations. As we gaze upon this remarkable engraving, we are reminded of how far science has come since Ercker's time. Yet it serves as a testament to our continuous pursuit of understanding and manipulating chemical processes for practical applications.
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