[D7919ZBE], Letter from Johnson Matthey & Co to Thomas Alva Edison, July 7th, 1879
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Title
[D7919ZBE], Letter from Johnson Matthey & Co to Thomas Alva Edison, July 7th, 1879
Editor's Notes
Can't yet draw osmium platinum alloy wire, but still working at it.
Author
Recipient
Date
1879-07-07
Type
Subject
Folder/Volume ID
D7919-F
Microfilm ID
50:82
Document ID
D7919ZBE
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University