Doc. 969 (7/17/1877 Edison, Thomas Alva -- Technical Notes and Drawings)
Doc. 972 (7/18/1877 Edison, Thomas Alva -- Technical Notes and Drawings)
Charles Batchelor's Recollection (Transcription) (Manuscript)
Edison's Recollection (Transcription)
Doc. 947 (Translating Embosser for recording and repeating telegraph messages)
Doc.
1004 (8/12/1877 Edison, Thomas Alva -- Technical Note)
Doc.
1039 (9/7/1877 Edison, Thomas Alva -- Essays)
Doc.
1040 (9/7/1877 Edison, Thomas Alva -- Technical Note)
Doc.
1099 (11/1/1877 Edison, Thomas Alva -- Technical Note)
Doc.
1101 (11/5/1877 Edison, Thomas Alva -- Technical Note)
Doc.
1102 (Edward Johson letter, c. 11/6/77, published in 11/17/1877 Scientific American)
Doc.
1109 (11/10/1877 Edison, Thomas Alva -- Technical Notes and Drawings)
Doc.
1129 (11/29/1877 Batchelor, Charles and Edison, Thomas Alva -- Technical
Notes and Drawings)
Doc.
1137 (12/3/1877 Edison, Thomas Alva -- Technical Notes and Drawings)
Doc.
1140 (12/4/1877 Batchelor, Charles -- Technical Notes and Drawings)
Doc.
1144 (12/7/1877 Batchelor, Charles to English Mechanic)
Doc.
1150 (1/22/1877 Scientific American)
Doc.
1160 (12/28/1877 Edison, Thomas Alva -- Technical Notes and Drawings)
Doc.
1216 (2/22/1878 Batchelor, Charles -- Technical Notes and Drawings - Talking
clock)
"The
Phonograph and It's Future" (North American Review reprinted in Scientific American)
See
and hear a recording being made with the tinfoil phonograph
Edison
Speaking Phonongrah Co. Brochures
Edsion
Speaking Phonograph Co. circular
Edsion
Speaking Phonograph Co. circular
"The
Perfected Phonograph" (North American Review)
Sound
Recordings at the Thomas Edison National Historical Park
Edison
Sound Recordings at the Library of Congress
Charles
Sumner Tainter and the Graphophone
Emil
Berliner and the Birth of the Recording Industry
Voices
of America (Field Recordings of Native American Music)