Video Presentation Oliver Berliner: History of the Gramophone Filmed, Edited and Introduced by Mark Caruana October 30, 2011
Part 1 Introduction Emile Berliner's greatest invention: the microphone  
Part 2 Alexander Graham Bell and Thomas Edison lateral- and vertical-cut recording  
Part 3 Berliner Gramophone Company established in Montreal friction between Emile and Herbert Berliner lateral-cut recording, Emile makes records  
Part 4 Herbert heads company to destruction, founds Compo Edgar succeeds as president, Berliner family disputes Edison feedscrew system and Bell-Tainter floating stylus  
Part 5 Philip Mauro and Columbia Graphophone Company Eldridge Johnson and Victor Talking Machine Company  
Part 6 Question and answer, thanks to Oliver cutting the cake, before the presentation