[PT5094-F]
https://edisondigital.rutgers.edu/folder/PT5094-F→ View documents → View folder on microfilm → View metadata about this item set
Items
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[PT5094], Patent Application, Thomas Alva Edison, February 4th, 1916
1916-02-04 -
[PT5094A], Letter from William Abbott Hardy to Thomas Alva Edison, May 7th, 1917
1917-05-07 -
[PT5094B], Letter from William Abbott Hardy to William Henry Meadowcroft, October 16th, 1917
1917-10-16 -
[PT5094C], Letter from William Abbott Hardy to Thomas Alva Edison, December 7th, 1918
1918-12-07