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Elisha Gray Collection
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1.11: Corres and legal documents between Elisha Gray and the Highland Park Building Company
1.11: Corres and legal documents between Elisha Gray and the Highland Park Building Company
1.13: Corres. both to and from Elisha Gray
1.13: Corres. both to and from Elisha Gray
1.10: Corres., specifications and legal documents regarding Gray's patents, incl. Letters Patent from Great Britain Patent Office.
1.10: Corres., specifications and legal documents regarding Gray's patents, incl. Letters Patent from Great Britain Patent Office.
1.1: Portraits of Elisha Gray, his wife, and his inventions
1.1: Portraits of Elisha Gray, his wife, and his inventions
Grand concert... : Electric telephone
Grand concert... : Electric telephone
Advertisements for talks & demonstrations by Elisha Gray, [bulk]: n.d.
Advertisements for talks & demonstrations by Elisha Gray, [bulk]: n.d.
Music by telegraph
Music by telegraph
Gray Electric Company
Gray Electric Company
1.6: Telautograph, including Elliott Cresson Medal award from the Franklin Institute
1.6: Telautograph, including Elliott Cresson Medal award from the Franklin Institute
Gray National Telautograph Company : pp. iii-iv
Gray National Telautograph Company : pp. iii-iv
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