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[NS7704X], Technical Note, Thomas Alva Edison, April 4th, 1877

Title: [NS7704X], Technical Note, Thomas Alva Edison, April 4th, 1877
Editor's Notes: Quad & Sexty, 8 pp: Reed worked by induction; differential sexty; tuning forks; octuplex (some text); emg relay; quad & sexty devices; small cell intensity batty, plumbago, coal or manganese
Author: Edison, Thomas Alva
Date: 1877-04-04
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NS7704-F
Microfilm ID: 7:464
Document ID: NS7704X
URL: https://edisondigital.rutgers.edu/document/NS7704X
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
Has Version: Archive.org Viewer, Microfilm Series Reel 7