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Doyle Rotary Engine

Doyle Rotary Engine

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Chandler/White Publishing

Chandler/white publishing

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Andrew J. Beard (1832-1923) - Find A Grave Memorial

Andrew J. Beard (1832-1923) - Find A Grave Memorial

African Americans in Transportation History > RTS: Regional Transit

African Americans in Transportation History > RTS: Regional Transit

Doyle Rotary Engine

Doyle Rotary Engine

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

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

Rotary Steam Engines: Page 6.

Rotary Steam Engines: Page 6.

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

10 Great Black Tech Pioneers Everyone Should Know – Your Black World

10 Great Black Tech Pioneers Everyone Should Know – Your Black World

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

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

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