William H. Ukers (author)
Bruff's patent (1798)
judge verdicts (2)
- groundedness 1.00 pass — The claim is directly supported by the passage. Bruff's patent (1798) is explicitly listed under the 'Household' section of 'Grinding machines', confirming that it is indeed a household grinding machine from 1798.
- qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The claim correctly identifies Bruff's patent as a household grinding machine from 1798, matching the entry 'Bruff's patent (1798), 621' under the 'Household' subsection of 'Grinding machines'. The viewpoint as 'author', stance as 'asserts', and sentiment as 'neutral' are all appropriate for an index entry. The time qualifier correctly reflects 1798. The context 'household' matches the passage's categorization. The quote is verbatim from the passage.