Art Resource - AR922771

Conceptually similar

AR922768

AR917600

Assayer testing samples of gold and silver, 1683.

AR922776

AR917710

Furnace for processes where protracted heat required, such as cementation, 1580.

AR925246

AR925257

AR925241

Preparation of copper and silver to be alloyed for production of coins, 1683.

AR924318

Laboratory for refining gold and silver, showing typical laboratory equipment, 1683.

AR925262

Athanor or 'Slow Harry', a self-feeding furnace maintaining a constant temperature, 1683.

AR925251

Using bellows to increase the draught in a furnace, 1540.

AR922761

AR925255

Checking the quality of saltpetre (nitre, potassium nitrate, or KN03), 1683.

AR925270

Crystallization of saltpetre (nitre, potassium nitrate, or KN03), 1683.

AR925275

Production of saltpetre (nitre, potassium nitrate, or KN03), 1683.

AR925265

Refining copper using the 'Hungarian' process, 1683.

Refining copper using the 'Hungarian' process, 1683. Copperplate engraving showing cupellation cakes being roasted, releasing lead. The lead obtained is smelted at top left. Illustration from the 1683 English edition of Beschreibung Allerfurnemisten Mineralischen Ertzt (Treatise on Ores and Asssaying), by Lazarus Ercker, published in 1580. This edition has new plates with numbers rather than letters, but the process is faithfully copied.

Unique Identifier AR922771

Type Image

Purpose Public

Size 3793px × 4618px

Photo Credit HIP / Art Resource, NY

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