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[MBLB3087], Letter from Charles Batchelor to Francis Robbins Upton, Edison Lamp Co, July 9th, 1883

Title: [MBLB3087], Letter from Charles Batchelor to Francis Robbins Upton, Edison Lamp Co, July 9th, 1883
Editor's Notes: #483 Haven't received lamp curve from you since I left. The experimental curves you've sent don't indicate economy and are therefore worthless.
Author: Batchelor, Charles
Recipient: Edison Lamp Co; Upton, Francis Robbins
Date: 1883-07-09
Type: Letter
Subject: International business operations; Testing and quality control; Incandescent lamp
Folder ID: MBLB3-F
Microfilm ID: 93:373
Document ID: MBLB3087
URL: https://edisondigital.rutgers.edu/document/MBLB3087
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 93

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