"Conté : (art) A drawing medium, usually square in cross section, composed of compressed powdered..."

“Conté : (art) A drawing medium, usually square in cross section, composed of compressed powdered charcoal or graphite mixed with a clay or wax base.
French painter and army officer Nicolas-Jacques Conté, who invented the medium, died on this day in 1805.”

- https://en.wiktionary.org/wiki/Cont%C3%A9#English

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