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Blackfacts.com - On this day Andrew J. Beard, and African American

Blackfacts.com - On this day Andrew J. Beard, and African American

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Doyle Rotary Engine

Doyle Rotary Engine

African Americans in Transportation History > RTS: Regional Transit

African Americans in Transportation History > RTS: Regional Transit

Andrew Beard was born a slave but become a wealthy inventor. Check out

Andrew Beard was born a slave but become a wealthy inventor. Check out

Blackfacts.com - On this day Andrew J. Beard, and African American

Blackfacts.com - On this day Andrew J. Beard, and African American

Roberts Motor Company Aircraft Engines | Old Machine Press

Roberts Motor Company Aircraft Engines | Old Machine Press

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

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

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

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

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

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

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

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