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[MBLB3107], Letter from Charles Batchelor to Thomas Alva Edison, July 26th, 1883

Title: [MBLB3107], Letter from Charles Batchelor to Thomas Alva Edison, July 26th, 1883
Editor's Notes: #501 Here's specs and test results from 100 cp Siemens lamp obtained in Germany (with drawing---long filament). Describes how it broke--got black beforehand.
Author: Batchelor, Charles
Recipient: Edison, Thomas Alva
Mentioned: Siemens and Halske
Date: 1883-07-26
Type: Letter
Subject: Competition and market structure; Testing and quality control; Incandescent lamp
Folder ID: MBLB3-F
Microfilm ID: 93:392
Document ID: MBLB3107
URL: https://edisondigital.rutgers.edu/document/MBLB3107
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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