Advertisements for talks & demonstrations by Elisha Gray, [bulk]: n.d.
- US IlHpHS elis.gra-1.5
- File
- 1874
Part of Elisha Gray Collection
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Advertisements for talks & demonstrations by Elisha Gray, [bulk]: n.d.
Part of Elisha Gray Collection
Part of Elisha Gray Collection
s.n.
Part of Elisha Gray Collection
Part of Elisha Gray Collection
Grand concert... : Electric telephone
Part of Elisha Gray Collection
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.
Gray National Telautograph Company : Cover
Part of Elisha Gray Collection
Gray National Telautograph Company
Gray National Telautograph Company : pp. iii-iv
Part of Elisha Gray Collection
Gray National Telautograph Company