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[NS7704ZBN], Technical Note, Thomas Alva Edison, June 14th, 1877

Title: [NS7704ZBN], Technical Note, Thomas Alva Edison, June 14th, 1877
Editor's Notes: sexty, 3pp.: 3-level-3 branch "This works well still the ---- bug is in there." + lots of disc.; "I am testing for bugs with chemical recording instrument", etc.
Author: Edison, Thomas Alva
Date: 1877-06-14
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NS7704-F
Microfilm ID: 7:646
Document ID: NS7704ZBN
URL: https://edisondigital.rutgers.edu/document/NS7704ZBN
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 7
License: CC0 1.0 Universal