Turning-Off Device for Phonographs, March 24, 1891

Item

Title

Turning-Off Device for Phonographs, March 24, 1891

Author

Thomas A. Edison

Date Executed

1888-07-16

Date Filed

1888-07-30

Date Issued

1891-03-24

Type

Patent Issued

Subject

Phonographs and Sound Recording

Document ID

PAT448781

Has Format

https://iiif.archive.org/iiif/edisonpatent448781/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