1920s Telephone History b&w
Master file available for standard delivery by Producers Library Team
b&w silent documentary - 1920s - telephone history from its invention to 1920s - Scientific American article - illustration of Alexander Graham Bell giving a lecture - inventors - inventions - Armistice Day - loud speaker apparatus - Bell System - crowds - announcement - President Woodrow Wilson - crowds listening in New York and San Francisco - pen following text from a book - bell shape superimposed over crowd shot - telephone operators and mechanics - man climbing telephone pole - female switchboard operators - switchboards - book closing