[PT032AAS], Patent Application, Thomas Alva Edison, January 24th, 1888

https://edisondigital.rutgers.edu/document/PT032AAS

View document with UniversalViewer   → View document on Archive.org  → Re-use this digital object via a IIIF manifest

Title

[PT032AAS], Patent Application, Thomas Alva Edison, January 24th, 1888

Editor's Notes

Patent appl wax phonogram blanks. MOLD BLANK WITH A SLIT IN IT---enable a better blank to be produced, lessen the cost of manufacture and prevent cracking while cooling in the mold filed. Filed 30 Jan 1888

Date

1888-01-24

Decade

1880-1889

Folder/Volume ID

PT032AAS-F

Microfilm ID

114:262

Document ID

PT032AAS

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
Download CSV | JSON