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Invention or discovery · Science and technology
T. A. Boor traffic light
1930Date
T. A. BoorInventor or discoverer
traffic lightType
Science and technologyField
Facts
- Date
- 1930
- Inventor or discoverer
- T. A. Boor
- Type
- traffic light
- Field
- Science and technology
- Century
- 20th century
Sources: Wikidata (CC0) · Wikidata Q110811490