[LB007790B], Letter from Thomas Alva Edison to Charles L Dean, July 30th, 1882
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Title
[LB007790B], Letter from Thomas Alva Edison to Charles L Dean, July 30th, 1882
Editor's Notes
The Composition you want to use on the Commutator for bars in place of copper is composed of 85 Copper 15 tin - better have few small Castings made of good OK if not have them [---] make it 11 pct tin 1/2 of 1 pct of aluminum & 88 1/2 Copper
Supplied day and month
Author
Recipient
Date
1882-07-30
Type
Subject
Folder/Volume ID
LB007-F
Microfilm ID
80:763
Document ID
LB007790B
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University