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The comptometer was the first commercially successful key-driven mechanical calculator, patented in the United States by Dorr Felt in 1887.
The analysis highlights History, Trade, Measurement and Companies as prominent areas in the source structure around Comptometer.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
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The extracted context around Comptometer shows recurring relationship patterns in the source. For example, Comptometer → American Thanksgiving, Chicago, Dorr Felt, Felt, New Year's Day, October, Robert Tarrant, Shortly, Smithsonian Institution, United States, Washington Another extracted example is Comptometer → American Dorr, Comptograph, Felt, July, June, October, Two. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
machine felt key keys models model company mechanism use mechanical calculator tarrant machines introduced comptograph world also war two years
TTTA extracted 51 structured relationships around Comptometer. Examples in this analysis include Comptometer → is a → direct descendant of the key-driven machine of Thomas Hill patented in the United States in 1857 and of the Pascaline invented by Blaise Pascal in France in 1642 and Comptometer → related to Bell Punch Company – Sumlock Comptometer Ltd → Bell Punch Company. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Comptometer | is a | direct descendant of the key-driven machine of Thomas Hill patented in the United States in 1857 and of the Pascaline invented by Blaise Pascal in France in 1642 | 0.90 | text |
| Comptometer | related to Bell Punch Company – Sumlock Comptometer Ltd | Bell Punch Company | 0.60 | section |
| Comptometer | related to Bell Punch Company – Sumlock Comptometer Ltd | British | 0.60 | section |
| Comptometer | related to Bell Punch Company – Sumlock Comptometer Ltd | Sumlock | 0.60 | section |
| Comptometer | related to Bell Punch Company – Sumlock Comptometer Ltd | The Sumlock Comptometer Ltd | 0.60 | section |
| Comptometer | related to Bell Punch Company – Sumlock Comptometer Ltd | ANITA Mark VII | 0.60 | section |
| Comptometer | related to Bell Punch Company – Sumlock Comptometer Ltd | Rockwell International | 0.60 | section |
| Comptometer | related to Comptometer and comptograph | American Dorr | 0.60 | section |
| Comptometer | related to Comptometer and comptograph | Felt | 0.60 | section |
| Comptometer | related to Comptometer and comptograph | July | 0.60 | section |
| Comptometer | related to Comptometer and comptograph | October | 0.60 | section |
| Comptometer | related to Comptometer and comptograph | Two | 0.60 | section |
The concept neighborhoods around Comptometer bring nearby vocabulary together. In this analysis, examples include Machine, Sumlock and Company. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Comptometer, one of the stronger structural bridges in this analysis connects Comptometer with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Comptometer to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Trade, Measurement & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Comptometer · EN edition · Analysis: TopicsToTalkAbout
