French percolator brewing device

William H. Ukers (author)

• Gaudet patents French percolator 1820 ⟨early form⟩
  assertsneutralsource: coffee-pg28500

  1820--Another early form of the French percolator is patented by Gaudet, a Paris tinsmith.

  judge verdicts (2)

  • groundedness 1.00 pass — The claim is directly supported by the passage. The text explicitly states that in 1820, 'Another early form of the French percolator is patented by Gaudet, a Paris tinsmith,' confirming all elements of the claim including the subject, predicate, object, and date.
  • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (passage text itself), stance is appropriately 'asserts', sentiment is neutral, time is accurately set to 1820 with valid_from matching, context correctly specifies 'early form' as stated in the passage, and the quote is verbatim and directly supports the claim.