[NV16180], Technical Note, Charles Batchelor, Thomas Alva Edison, November 2nd, 1878
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Title
[NV16180], Technical Note, Charles Batchelor, Thomas Alva Edison, November 2nd, 1878
Editor's Notes
make spiral of peroxide of iron with small percentage of platinum in it and test for conductivity; take sheet & bend it round & braze use Hydrogen flame & blow pipe; spiral tuing [drawing]
Date
1878-11-02
Type
Subject
Folder/Volume ID
NV16-F
Microfilm ID
4:626
Document ID
NV16180
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University