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Lot #228
Joseph Louis Proust Autograph Letter Signed

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Estimate: $200+
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Description

French chemist (1754-1826) known for his discovery of the law of constant composition, stating that chemical compounds always combine in constant proportions. ALS in French, signed “Proust,” one page, 3.75 x 7, no date. Untranslated letter to a professor of botany. In fine condition, with light creasing.

Auction Info

  • Auction Title: Fine Autograph and Artifacts Featuring Major Figures of Science and Technology
  • Dates: #665 - Ended May 10, 2023





This item is Pre-Certified by PSA/DNA
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