Title: AC vs. DC distribution of electricity
Subjects: Alternating Electric currents, Direct Electric currents, Electrification, History, Juvenile literature, Tesla, nikola, 1856-1943, Edison, thomas a. (thomas alva), 1847-1931, Edison, thomas a. (thomas alva), 1847-1931, juvenile literature, Electric currents
People: Nikola Tesla (1856-1943), Thomas A. Edison (1847-1931)