[N002019], Technical Note, Charles Batchelor, Francis Robbins Upton, December 20th, 1878
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Title
[N002019], Technical Note, Charles Batchelor, Francis Robbins Upton, December 20th, 1878
Editor's Notes
drawing and notes on alteration of Gramme armature; notes that follow may be late 1878 or early 1879
Date
1878-12-20
Type
Subject
Folder/Volume ID
N002-F
Microfilm ID
29:162
Document ID
N002019
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University