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Andrew J. Beard, Farmer, and Inventor born - African American Registry

Andrew J. Beard, Farmer, and Inventor born - African American Registry

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Index of black inventors by state or country of residence 1834-2008

Index of black inventors by state or country of residence 1834-2008

On November 23, 1899 Andrew Beard was granted a patent for a railway

On November 23, 1899 Andrew Beard was granted a patent for a railway

Kurt Robertson explains how a Rotary engine works | Rotary, Engineering

Kurt Robertson explains how a Rotary engine works | Rotary, Engineering

Andrew J. Beard, Farmer, and Inventor born - African American Registry

Andrew J. Beard, Farmer, and Inventor born - African American Registry

Roberts Motor Company Aircraft Engines | Old Machine Press

Roberts Motor Company Aircraft Engines | Old Machine Press

J. E. H. Andrew & Co. - 1902 Article-J. E. H. Andrew & Co., Bisschop

J. E. H. Andrew & Co. - 1902 Article-J. E. H. Andrew & Co., Bisschop

Rotary Steam Engines: Page 6.

Rotary Steam Engines: Page 6.

LIST: 10 Great African-American Tech Pioneers Everyone Should Know

LIST: 10 Great African-American Tech Pioneers Everyone Should Know

PPT - Black Inventors PowerPoint Presentation, free download - ID:2615169

PPT - Black Inventors PowerPoint Presentation, free download - ID:2615169

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