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[N088048], Technical Note, Unknown, July 20th, 1880

Title: [N088048], Technical Note, Unknown, July 20th, 1880
Editor's Notes: "pump for factory"; resistance box---test apparatus? Misc calcs.
Author: Unknown
Date: 1880-07-20
Type: Technical Note
Subject: Vacuum and glass bulb
Folder ID: N088-F
Microfilm ID: 35:1080
Document ID: N088048
URL: https://edisondigital.rutgers.edu/document/N088048
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 35
License: CC0 1.0 Universal