TY  - BOOK
AU  - Newville,Leslie J.
TI  - 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)
AV  - Q 
PY  - 2009///
PB  - Project Gutenberg
KW  - Phonograph
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/30112
ER  -