[PT5137D], Technical Note, Francis Seraph Schimerka, April 11th, 1927

Item

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Title

[PT5137D], Technical Note, Francis Seraph Schimerka, April 11th, 1927

URL

https://edisondigital.rutgers.edu/document/PT5137D

Author

Schimerka, Francis Seraph

Date

1927-04-11

Decade

1920-1929

Type

Technical Note

Subject

Patent application
Disc phonograph

Identifier

PT5137D

Folder Set

PT5137-F

Microfilm ID

247:687

Rights

Thomas Edison National Historical Park

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University

Item sets

Mounting for Diaphragms of Sound Boxes (1925)