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[D8701AAK1], Letter from Bergmann & Co to Alfred Ord Tate, Edison Phonoplex System, June 1887

Title: [D8701AAK1], Letter from Bergmann & Co to Alfred Ord Tate, Edison Phonoplex System, June 1887
Editor's Notes: Wirt's report on battery tests. [Marg.: "Battery 42 days work prior to this test. 21 days on 10 ohms. 21 days open circuit."]; Supplied year and month
Author: Bergmann & Co
Recipient: Edison Phonoplex System; Tate, Alfred Ord
Mentioned: Wirt, Charles Summer
Date: 1887-06-00
Type: Letter
Subject: Testing and quality control; Electric battery
Folder ID: D8701-F
Microfilm ID: 119:26
Document ID: D8701AAK1
URL: https://edisondigital.rutgers.edu/document/D8701AAK1
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 119

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