On the Record: the First Audio Recordings (Part 2)

Continuing the story of the first audio recordings and audio recording technology, we focus more on the story of Emile Berliner and the creation of the gramophone discs and players.
Listed below are the sources I used for research:
www.loc.gov/collections/ameri...
www.loc.gov/collections/ameri...
Chasing Sound by Susan Schmidt Horning pgs 16-17
Encyclopedia of Great Popular Song Recordings pgs 3-35
The Fabulous Phonograph by Roland Gelatt pgs 30-45
entertainment.howstuffworks.c..., sound,had completed his first recording. www.hagley.org/research/news/...
Chasing Sound by Susan Schmidt Horning pgs 13-14
www.loc.gov/collections/emile...
ARSC - Vol 21 - Etching the Human Voice by Raymond R. Wile
www.loc.gov/collections/emile...
ARSC - Vol 21 - Etching the Human Voice by Raymond R. Wile
How the Beatles Destroyed Rock n Roll by Elijah Wald - pgs 88-89
ARSC - Vol 24 - Launching the Gramophone by Raymond R Wile pgs 176-177
ARSC - Vol 24 - Launching the Gramophone by Raymond R Wile pgs 184-186
www.loc.gov/collections/emile...
www.loc.gov/collections/ediso...
The Fabulous Phonograph by Roland Gelatt pgs 166-168
The Fabulous Phonograph by Roland Gelatt pgs 219-228