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[PT031AAG1], Technical Note, Thomas Alva Edison, May 20th, 1889

Title: [PT031AAG1], Technical Note, Thomas Alva Edison, May 20th, 1889
Editor's Notes: Caveat 116 filed Aug 5th 1889.. 33 page caveat with 58 drawings, includes phonograph and wax cylinders, electric lighting, ore milling, storage batteries (fuel cells?), turning pig iron into wrought iron and blast furnace improvements, electric railway brake. Some of the drawing are dated June 19th.
Author: Edison, Thomas Alva
Date: 1889-05-20
Type: Technical Note
Subject: Electric battery; Incandescent lamp; Ore milling and separation; Chemicals, chemical products, and chemical processes; Cylinder phonograph; Cylinder record and duplicating technology
Folder ID: PT031AAG-F
Microfilm ID: 113:593
Document ID: PT031AAG1
URL: https://edisondigital.rutgers.edu/document/PT031AAG1
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 113

Item sets: [PT031AAG-F] Case 116: Electric Light, Ore Milling, Phonograph (1889)

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