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[LM012290], Letter from Samuel Insull to Bergmann & Co, September 16th, 1886

Title: [LM012290], Letter from Samuel Insull to Bergmann & Co, September 16th, 1886
Editor's Notes: "The weight on armature of the Phone Relay will have to be made four or five times heavier than the model furnished you with Phone Relay from Laboratory." Weight made for Tates yesterday insufficient; pls make five different sizes," etc.
Author: Insull, Samuel
Recipient: Bergmann & Co
Date: 1886-09-16
Type: Letter
Subject: Manufacturing; Phonoplex and railroad telegraphy
Folder ID: LM012-F
Microfilm ID: 84:512
Document ID: LM012290
URL: https://edisondigital.rutgers.edu/document/LM012290
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 84

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