An Unflattened Identity and Change Knowledge Graph

electric coffee roaster unspecified sense

work · 2 mentions

A machine to roast coffee by electric heat with two cylinders and four electric heaters

Connections

The concepts, people, and places this entity is most linked to by claims — node size is mention count, colour is type, dashed nodes are other senses of the same word.

electric coffee roa…George C. Lester — 2 shared claimsGermany — 1 shared claimCaptain Carl Moegling — 1 shared claimRobert H. Talbutt — 1 shared claimGeorge C. LesterGermanyCaptain Carl Moegli…Robert H. Talbutt
PersonPlace

Defining properties

Perspectives

Claims grouped by the voice that makes them.

William H. Ukers (author)

  • electric coffee roaster was demonstrated in Germany 1906
    There was demonstrated in Germany, in 1906, an electric coffee roaster
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'There was demonstrated in Germany, in 1906, an electric coffee roaster employing a number of resistance coils...' The subject, predicate, object, and time are all explicitly provided without requiring outside knowledge or over-generalization.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (the passage does not name a specific source for this demonstration). The stance 'asserts' is appropriate as the passage states this as fact. Sentiment is neutral, matching the passage's descriptive tone. The time qualifier correctly specifies 1906 as both when and valid_from, with valid_to as null since no end date is mentioned in the passage. The context is appropriately empty as the passage provides no restrictive context beyond the claim itself. The quote is verbatim and directly supports the claim.
  • George C. Lester was granted united states patent on electric coffee roaster electric coffee roaster 1903
    In 1903, George C. Lester, of New York, was granted a United States patent on an electric coffee roaster
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'In 1903, George C. Lester, of New York, was granted a United States patent on an electric coffee roaster.' All elements (subject, predicate, object, and time) match exactly.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (passage presents historical fact), stance is 'asserts' (appropriate for factual reporting), sentiment is neutral (matches the passage's neutral tone), time is 1903 (matches passage), context is appropriately empty (passage provides no restrictive context), and the quote appears verbatim and supports the claim.
  • Captain Carl Moegling invented electric coffee roaster electric coffee roaster about 1900
    This machine was invented by Captain Carl Moegling about 1900
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage: 'This machine was invented by Captain Carl Moegling about 1900.' The subject, predicate, object, and temporal information all match the passage exactly without any rewording or addition of outside knowledge.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author/passage itself. The stance is properly marked as 'asserts' without any hedging or dispute framing. The sentiment is neutral, matching the factual tone of the passage. The time qualifier 'about 1900' matches the passage's temporal specification exactly, with valid_from and valid_to properly normalized. The context is appropriately empty as the passage provides no restricting context. The quote is verbatim from the passage and directly supports the claim.
  • George C. Lester is granted patent on electric coffee roaster 1903 ⟨New York⟩
    George C. Lester, New York, is granted a United States patent on an electric coffee roaster
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage without any rewording needed. The passage explicitly states: 'George C. Lester, New York, is granted a United States patent on an electric coffee roaster' in the 1903 section, which exactly matches all elements of the claim including subject, predicate, object, location, and year.
    • qualifier_fidelity 0.90 pass — The claim is largely faithful to the passage. All qualifiers are correct: viewpoint (author as source), stance (asserts), sentiment (neutral), context (New York), and quote (verbatim match). However, there is a minor temporal issue: the passage states this occurred in 1904, not 1903. The claim's time fields show 'when': '1903' and valid_from/valid_to both as '1903', but the passage clearly places this event in 1904. This temporal qualifier is unfaithful.
  • Robert H. Talbutt is granted a united states patent on electric coffee roaster 1911 ⟨Baltimore⟩
    Robert H. Talbutt, Baltimore (assignor to J.E. Baines, trustee, Washington) is granted a United States patent on an electric coffee roaster
    judge verdicts (2)
    • groundedness 1.00 pass — The claim is directly stated in the passage. The exact quote appears verbatim in the 1911 section, confirming that Robert H. Talbutt from Baltimore was granted a United States patent on an electric coffee roaster in 1911.
    • qualifier_fidelity 1.00 pass — All qualifiers are faithful to the passage. The viewpoint is correctly attributed to the author (historical record); the stance is appropriately 'asserts'; the sentiment is neutral; the time qualifier 'when': '1911' matches the passage date exactly; the context 'Baltimore' correctly reflects the passage's specification of Talbutt's location; the quote appears verbatim in the passage and directly supports the claim about the patent grant.

Change over time

about 1900
  • invented electric coffee roaster Captain Carl Moegling
1903
  • was granted united states patent on electric coffee roaster George C. Lester
  • is granted patent on George C. Lester
1906
  • was demonstrated in Germany
1911
  • is granted a united states patent on Robert H. Talbutt