[NM020ABD], Technical Note, Thomas Alva Edison, September 21st, 1885

https://edisondigital.rutgers.edu/document/NM020ABD

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

Title

[NM020ABD], Technical Note, Thomas Alva Edison, September 21st, 1885

Editor's Notes

Quadruplex on phonoplex wire

Author

Edison, Thomas Alva

Date

1885-09-21

Type

Technical Note

Subject

International business operations
Multiple telegraphy (duplex, quadruplex)
Phonoplex and railroad telegraphy

Folder/Volume ID

NM020-F

Microfilm ID

44:744

Document ID

NM020ABD

URL

https://edisondigital.rutgers.edu/document/NM020ABD

Rights

Thomas Edison National Historical Park

Publisher

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

Has Version

Archive.org Viewer, Microfilm Series Reel 44

Item sets

[NM020-F] Cat.1151 (1885-1886)
Download CSV | JSON