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Results for "Henry, Joseph, 1797-1878"
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Subject: Experiments
Subject: Magnetic Telegraph
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Joseph 1797-1878 (1)
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Showing results 1 - 1 of 1 for
Henry, Joseph, 1797-1878
Joseph Henry Demonstrates His First Telegraphic Apparatus, a Bell-Ringer
Date:
1831-1832
Showing results 1 - 1 of 1 for
Henry, Joseph, 1797-1878
