Synopsis of development from the phonautograph to 1920. Includes examples of early cylinder recordings. For educational and entertainment purposes only. I do not own the rights to any of the prerecorded or visual material. Credit to UCSB Cylinder Audio Archive, The Victrola Guy, Library Of Congress, etc. Yes, there are a few inaccuracies and some uncredited items, as far as objects and subjects moving back and forth in the timeline, in order to keep the narrative lively.