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[NS7704ZBJ], Technical Note, Charles Batchelor, Thomas Alva Edison, June 10th, 1877

Title: [NS7704ZBJ], Technical Note, Charles Batchelor, Thomas Alva Edison, June 10th, 1877
Editor's Notes: quad & sexty. 4 pp.: SS Sextuplex: balancing, magnet made of pieces separated by mica etc.; fr. 633 is 2nd page of something in printing line, bottom is sexty relay; quad & sexty compensation, circuit connex, the "describe this" & "extra" test; pat. drafts, "mention condensers of thick dry paper only with no insulation..." etc. - check case 142 filed Aug. 16
Author: Batchelor, Charles; Edison, Thomas Alva
Date: 1877-06-10
Type: Technical Note
Subject: Multiple telegraphy (duplex, quadruplex)
Folder ID: NS7704-F
Microfilm ID: 7:632
Document ID: NS7704ZBJ
URL: https://edisondigital.rutgers.edu/document/NS7704ZBJ
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

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