William H. Ukers (author)
In 1881, Peter Pearson, of Manchester, produced a gas roaster which consisted of a wire-gauze cylinder revolving under a metal plate heated by gas
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote provided matches the text verbatim, confirming that Peter Pearson of Manchester produced a gas roaster with a wire-gauze cylinder revolving under a metal plate heated by gas in 1881.
- 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 appropriately 'asserts' for a factual historical claim, sentiment is neutral, the time is accurate (1881), context is appropriately empty as no specific sense restriction is mentioned, and the quote matches verbatim from the passage and accurately supports the claim about Peter Pearson's gas roaster invention.