Joseph Barker Stearns
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Joseph Barker Stearns (1831-1895) was the inventor of the duplex system of telegraphy.
This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (June 2018) |
Quick Facts Born, Died ...
Joseph Barker Stearns | |
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Born | (1831-02-28)February 28, 1831 |
Died | July 4, 1895(1895-07-04) (aged 64) |
Known for | Inventor of the duplex system of telegraphy |
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