[E1518DEP], Letter from Heyden Chemical Works to Thomas Alva Edison, April 20th, 1915
https://edisondigital.rutgers.edu/document/E1518DEP
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Title
[E1518DEP], Letter from Heyden Chemical Works to Thomas Alva Edison, April 20th, 1915
Author
Recipient
Date
1915-04-20
Type
Folder/Volume ID
E1518D-F
Microfilm ID
261:165
Document ID
E1518DEP
Publisher
Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University