20 Black Inventions Over The Last 100 Years You May Not Know
Source: Atlantablackstar.com Lewis Latimer (1848 – 1928) What He Invented: The Carbon Filament For The…
Browsing: George E. Alcorn
Source: Atlantablackstar.com Lewis Latimer (1848 – 1928) What He Invented: The Carbon Filament For The…