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[D8125C], Letter from Philip Sidney Dyer to Thomas Alva Edison, July 12th, 1881

Title: [D8125C], Letter from Philip Sidney Dyer to Thomas Alva Edison, July 12th, 1881
Editor's Notes: Results of longevity tests for orders 285 and 356.
Author: Dyer, Philip Sidney
Recipient: Edison, Thomas Alva
Date: 1881-07-12
Type: Letter
Subject: Testing and quality control; Incandescent lamp
Folder ID: D8125-F
Microfilm ID: 57:1101
Document ID: D8125C
URL: https://edisondigital.rutgers.edu/document/D8125C
Rights: Thomas Edison National Historical Park
Publisher: Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
License: CC0 1.0 Universal
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