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Elisha Gray
An early photo of employees of Gray and Barton. Elisha Gray is in the front row, holding his automatic telegraph printer
An early photo of employees of Gray and Barton. Elisha Gray is in the front row, holding his automatic telegraph printer
Elisha Gray's drawing of liquid transmitter made on February 11, 1876
Elisha Gray's drawing of liquid transmitter made on February 11, 1876
The master telephone patent awarded to Bell, No. 174465, March 7, 1876
The master telephone patent awarded to Bell, No. 174465, March 7, 1876
Barton's grave at Rosehill Cemetery
Barton's grave at Rosehill Cemetery