American inventor Thomas Alva Edison at General Electric company in the United States. A bulb on a table. Edison and men watch a man working on a machine. He looks at workers making light bulbs. Several women seated at desks and working on machines. Edison arrives at a research laboratory in Schenectady, New York. He is greeted by Dr. W. R. Whitney who is the director of research. They shake hands. Officials seated at a desk. Whitney hands a pen to Edison. Edison writes in a book. Whitney and Edison in the laboratory. Edison examines a filament and listens to Whitney.