Processing of gunpowder and section of the apparatus used. Etching by Bénard after Goussier.
Wellcome Collection

Processing of gunpowder and section of the apparatus used. Etching by Bénard after Goussier.

http://data.europeana.eu/agent/13212

CC0 — Public Domain
Wellcome Collection

Lettering: Minéralogie, fabrique de la poudre á canon. l'opération de grainer la poudre it plan d'un quart du grainoir. Goussier del. Benard fecit.

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