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20th-century American inventors
1922 deaths
19th-century Scottish inventors
Scottish emigrants to the United States
People from Haddington
1848 births
19th-century American inventors
20th-century Scottish inventors
People from Fresno, California

James Porteous: page information

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Page ID432084

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Words467

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CreatedJun 17, 2026, 7:55 AM

UpdatedJun 18, 2026, 7:24 PM