A day with Thomas A. Edison
A six-part documentary recording the 74-year-old Edison's collaborations with his staff, conversations with industrial leaders, and supervision of the factory's production line. The majority of the film (parts 3, 4, and 5) chronicles Edison's trip to the incandescent light bulb factory and details its manufacturing process.
Schroeder, A. - General Electric Company - Bray Studios - Edison Collection (Library of Congress)