Receiving Instruments for Chemical Telegraphs, May 12, 1874

Item

Title

Receiving Instruments for Chemical Telegraphs, May 12, 1874

Author

Thomas A. Edison

Date Executed

1873-03-24

Date Filed

1873-07-29

Date Issued

1874-05-12

Type

Patent Issued

Subject

Telegraphy and Telephony

Document ID

PAT150847

Has Format

https://iiif.archive.org/iiif/edisonpatent150847/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