Smoothing-Tool for Phonogram-Blanks, August 11, 1891

Item

Title

Smoothing-Tool for Phonogram-Blanks, August 11, 1891

Author

Thomas A. Edison

Date Executed

1890-11-17

Date Filed

1890-11-21

Date Issued

1891-08-11

Type

Patent Issued

Subject

Phonographs and Sound Recording

Document ID

PAT457344

Has Format

https://iiif.archive.org/iiif/edisonpatent457344/manifest.json

Rights

Edison's patents are in the public domain and have been made available through the generosity of David Kovanen.

Publisher

The Thomas A. Edison Papers