Chemistry: stages in the production of ether, showing varous retorts in use on furnaces. Engraving, n.d. [late 18th century].
Wellcome Collection

Chemistry: stages in the production of ether, showing varous retorts in use on furnaces. Engraving, n.d. [late 18th century].

Unknown artist

CC0 — Public Domain
Wellcome Collection

Lettering: Chemical processes in making the aether.

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