http://www.phonozoic.net/patents/index.html
https://griffonagedotcom.wordpress.com/ ... 1878-1912/
http://patft.uspto.gov/netahtml/PTO/index.html
https://www.uspto.gov/patents/search#heading-1
http://patft.uspto.gov/netahtml/PTO/help/images.htm
https://edison.rutgers.edu/phonpats.htm
https://unctv.pbslearningmedia.org/reso ... raph-1877/
https://www.nps.gov/edis/learn/historyc ... ograph.htm
Phonograph patent reference resources...
- Curt A
- Victor Monarch Special
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Phonograph patent reference resources...
"The phonograph is not of any commercial value."
Thomas Alva Edison - Comment to his assistant, Samuel Insull.
"No one needs a Victrola XX, a Perfected Graphophone Type G, or whatever you call those noisy things."
My Wife
Thomas Alva Edison - Comment to his assistant, Samuel Insull.
"No one needs a Victrola XX, a Perfected Graphophone Type G, or whatever you call those noisy things."
My Wife