- US IlHpHS elis.gra
- Collection
- Bulk, 1960-1990
This collection contains: photographs, patent specifications, correspondence, original research produced by the Highland Park Historical Society, newspaper clippings, magazine articles and other secondary publications pertaining to Elisha Gray, his inventions & his business endeavers. This collection contains items dating from 1860 to 2001; with the bulk of the collection dating from 1960 to 1990.
Franklin Institute.