Synopsis A biography of the black engineer and inventor credited with many inventions, including refrigeration units for trucks and railroad cars, portable X-ray units, and the ticket dispenser.
| Details | | Publication Date: | 1994-04-01 |
| Size | | Height: | 9.0 in | | Width: | 7.0 in | | Thickness: | 0.2 in | | Weight: | 8.8 oz |
Publisher's Note This is the biography of the black engineer and inventor credited with many inventions, including refrigeration units for trucks and railroad cars, portable X-ray units, and the ticket dispenser.
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