William H. Ukers (author)
in 1827, Jacques Augustin Gandais, a manufacturer of plated jewelry in Paris, produced a really practicable pumping percolator
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage: 'in 1827, Jacques Augustin Gandais, a manufacturer of plated jewelry in Paris, produced a really practicable pumping percolator.' All elements (subject, predicate, object, time) match exactly what is written.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (not a named source in the passage); the stance 'asserts' accurately reflects how the passage presents the information; the sentiment 'positive' matches the passage's description using 'really practicable'; the time '1827' matches exactly; the context is appropriately empty as the passage does not restrict this to a specific sense or role; and the quote appears verbatim in the passage and fully supports the claim.
In 1827, the first really practicable pumping percolator, as we understand the meaning today, was invented by Jacques-Augustin Gandais
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote provided matches the passage text, which explicitly attributes the invention of the first really practicable pumping percolator to Jacques-Augustin Gandais in 1827.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (not a named source), the stance is assertive, the sentiment is neutral, the time (1827) matches exactly, the context accurately reflects 'first really practicable' as stated in the passage, and the quote appears verbatim and directly supports the claim.
- Jacques Augustin Gandais is granted first patent for really practicable French coffee percolator 1827
1827--The first patent for a really practicable French coffee percolator is granted to Jacques Augustin Gandais, a manufacturer of plated jewelry in Paris.
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote provided matches the passage text word-for-word, confirming that Jacques Augustin Gandais was granted the first patent for a really practicable French coffee percolator in 1827.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (no named source in passage), the stance appropriately reflects 'is granted' as an assertion, the sentiment of 'positive' matches the passage's framing of this as 'the first patent for a really practicable' model, the time is correctly specified as 1827 with valid_from matching and valid_to as null (no end date given), the context is appropriately empty as the passage provides no additional contextual restriction, and the quote appears verbatim and directly supports the claim.