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[N311051], Technical Note, Hugh De Coursey Hamilton, December 15th, 1885

Title: [N311051], Technical Note, Hugh De Coursey Hamilton, December 15th, 1885
Editor's Notes: continuation of Phonplex experiments various diaphragms spool resistance and sheets of condenser
Author: Hamilton, Hugh De Coursey
Mentioned: Force, Martin N
Date: 1885-12-15
Type: Technical Note
Subject: Phonoplex and railroad telegraphy
Folder ID: N311-F
Microfilm ID: 42:378
Document ID: N311051
URL: https://edisondigital.rutgers.edu/document/N311051
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 42