[D8416APO], Letter from Samuel Insull, Edison Machine Works to John T Perry, February 20th, 1884
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Title
[D8416APO], Letter from Samuel Insull, Edison Machine Works to John T Perry, February 20th, 1884
Editor's Notes
Have sent you two new armatures with 10" pulleys; A&S sending springs to enable you to run at 300 rpm to get right volts.
Recipient
Date
1884-02-20
Type
Subject
Folder/Volume ID
D8416-F
Microfilm ID
71:1141
Document ID
D8416APO
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University