[D8137ZAI], Letter from Thomas Logan to Thomas Alva Edison, May 17th, 1881
https://edisondigital.rutgers.edu/document/D8137ZAI
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Title
[D8137ZAI], Letter from Thomas Logan to Thomas Alva Edison, May 17th, 1881
Editor's Notes
Record of laboratory work (no indication of man-hours): models of lamps for Paris, regulator lamps, copper cells, unspecified work on Porter engine. Factory: making & altering socket machines, mach for painting sockets, "thousandths gauge" for fibers, plumbago moulds on press, winding armature, dynamo brushes.
Author
Recipient
Date
1881-05-17
Type
Folder/Volume ID
D8137-F
Microfilm ID
59:82
Document ID
D8137ZAI
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University