This image may not be used to state or imply the endorsement by the Science History Institute of any product, service or activity, or to concur with a


This image may not be used to state or imply the endorsement by the Science History Institute of any product, service or activity, or to concur with an opinion or confirm the accuracy of any text appearing alongside or in logical association with the image. Alchemical symbols. 18th-century listing of characters and symbols used by alchemists to represent chemicals, elements, and other objects and processes. The alphabetical listing is in French and includes astrological symbols. Examples here include acid (acide), lime (chaux), water (eau), filtration (filtrer), oil (huile), gold (or), phlegm (phlegme), phlogiston (phlogistique), phosphorus (phosphore), salt (sel), sea salt (sel marin), sulphur (souphre), sugar (sucre), earth (terre), glass (verre), and vinegar (vinaigre). These symbols were replaced by modern chemical nomenclature, developed from the end of the 18th century onwards.


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