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inventor, african americans

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A.J. Brookins, inventor; Parts of the Brookins Automatic Train Control System to prevent wrecks.

A.J. Brookins, inventor; Parts of the Brookins Automatic Train Control...

Picryl description: Public domain image of railroad tracks, train car, railway, free to use, no copyright restrictions.

Jan Matzeliger portrait collection

Jan Matzeliger portrait collection

Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.