Archives and Local History

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6 results with digital objects Show results with digital objects

The Telephone Patent Conspiracy of 1876/ by A. Edward Evenson and newspaper article about the author

Item
2000-2001

Part of Elisha Gray Collection

Music by telegraph

US IlHpHS elis.gra-1.5-69.268.2
Item
1877

Part of Elisha Gray Collection

Gray National Telautograph Company : pp. iii-iv

US IlHpHS elis.gra-iii-iv
Other
1892-1893

Part of Elisha Gray Collection

Gray National Telautograph Company

Gray National Telautograph Company : Cover

US IlHpHS elis.gra-i
Other
1892-1893

Part of Elisha Gray Collection

Gray National Telautograph Company

Gray Electric Company

US IlHpHS elis.gra-1.7.70.611
Item
ca. 1890-1898

Part of Elisha Gray Collection

s.n.

Grand concert... : Electric telephone

US IlHpHS elis.gra-1.5-70.612.1
Item
1874

Part of Elisha Gray Collection

Elisha Gray Collection

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.