GA Russell Posted July 30 Report Share Posted July 30 This might be interesting. The Kindle version is free. Development of the Phonograph at Alexander Graham Bell's Volta Laboratory Contributions from the Museum of History and Technology, United States National Museum Bulletin 218, Paper 5, (pages 69-79) https://www.amazon.com/Development-Phonograph-Laboratory-Contributions-Technology-ebook/dp/B0082X82XY/ Quote Link to comment Share on other sites More sharing options...
Stompin at the Savoy Posted July 30 Report Share Posted July 30 It's an article from 1959: https://www.gutenberg.org/cache/epub/30112/pg30112-images.html Quote Link to comment Share on other sites More sharing options...
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