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[E1558AR1], Letter from Universal Vacuum Cleaner Maintenance Co to West Orange Laboratory, March 20th, 1915

Title: [E1558AR1], Letter from Universal Vacuum Cleaner Maintenance Co to West Orange Laboratory, March 20th, 1915
Author: Universal Vacuum Cleaner Maintenance Co
Recipient: West Orange Laboratory
Mentioned: Powrie, John Hutchinson
Date: 1915-03-20
Type: Letter
Subject: Testing and quality control; Miscellaneous electrical technologies
Folder ID: E1558-F
Microfilm ID: 263:222
Document ID: E1558AR1
URL: https://edisondigital.rutgers.edu/document/E1558AR1
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 263