When people light lamps, we often think of the great inventor, he, to bring endless darkness bright. In 1979, the United States has spent millions of dollars, at year-long celebration to commemorate Thomas Edison invented the electric light

When people lighted lamp, we often think of the memory of a great inventor, he was brought in to the darkness of endless light. In 1979, the United States has spent $1 million, and held several year-long observance to commemorate the Edison invented electric

When the people lighten the electric lamp, often can think this great inventor, is he, for brings the inexhaustible light dark.In 1979, US has spent several million US dollars, lifts president to reach for a year long time the commemorative activity, commemorates Edison to invent the electric lamp

When people light up when the lights, will always think of the great inventor, is his, brings infinite light to dark. 1979 century and United States spend millions of $-long years of celebration to honor Thomas Edison Electric light

When the people lighten the electric lamp, often can think this great inventor, is he, for brings the inexhaustible light dark.In 1979, US has spent several million US dollars, lifts president to reach for a year long time the commemorative activity, commemorates Edison to invent the electric lamp