[MBN003115D], Technical Note, John Kruesi, March 6th, 1879
https://edisondigital.rutgers.edu/document/MBN003115D
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Title
[MBN003115D], Technical Note, John Kruesi, March 6th, 1879
Editor's Notes
No. 45 Patent Office Model about 1/4 size like brass phonograph & on same base drawing in book 9 p. 215 showing phonog when mouthpiece moves up & down also point on a lever finished 12 Mar
Author
Date
1879-03-06
Type
Folder/Volume ID
MBN003-F
Microfilm ID
90:724
Document ID
MBN003115D
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University