00746cam a2200193 4500 100286308 TxAuBib 20070420120000.0 090927s2009||||||||||||||||||||||||eng|u 30112 Project Gutenberg PGUSA eng TxAuBib Newville, Leslie J. 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) [Gutenberg] / by Leslie J. Newville. Project Gutenberg, 2009. Project Gutenberg. Freely available. Electronic text. Phonograph. http://www.gutenberg.org/license Rights