BLACK HISTORY MONTH - BLACK INVENTORS

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Across
  1. 3. Washington A. Martin invented this
  2. 4. John H. Smith invented this
  3. 6. Frederick J. Loudin invented this
  4. 8. Thomas Elkins invented this
Down
  1. 1. Thomas A. Carrington invented this
  2. 2. Benjamin Banneker developed this
  3. 5. Alexander Miles invented this
  4. 7. Thomas W. Stewart invented this