[PT031AAD1], Technical Note, Thomas Alva Edison, November 24th, 1888
https://edisondigital.rutgers.edu/document/PT031AAD1
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Title
[PT031AAD1], Technical Note, Thomas Alva Edison, November 24th, 1888
Editor's Notes
Caveat 113 filed Dec. 17 1888: The object of the invetnion in this Caveat is to improve the phonograph especially in those devices which relate to the automatic determination of the exact position of the recording & reproducing ;points on the Recording Cylinder whether thick or thin and without the necessity of adjusting the rotation each time a new or a diferent size recording phongram blank is used. [12 1/2 pqges manuscript text plus 36 drawings - many of the drawings appear related to notebook sketches in November]
Author
Date
1888-11-24
Type
Folder/Volume ID
PT031AAD-F
Microfilm ID
113:400
Document ID
PT031AAD1
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University