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[D8125E], Letter from Philip Sidney Dyer to Samuel Insull, August 15th, 1881

Title: [D8125E], Letter from Philip Sidney Dyer to Samuel Insull, August 15th, 1881
Editor's Notes: Statement of lifetimes of lamps under test from orders 285, 356, and 372.
Author: Dyer, Philip Sidney
Recipient: Insull, Samuel
Date: 1881-08-15
Type: Letter
Subject: Testing and quality control; Incandescent lamp
Folder ID: D8125-F
Microfilm ID: 57:1104
Document ID: D8125E
URL: https://edisondigital.rutgers.edu/document/D8125E
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 57

Item sets: [D8125-F] (D-81-25) Electric Light -- Edison Electric Lamp Co -- Lamp Test Reports