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Results for "Henry, Mary A., 1834-1903"
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Subject: Mary Anna 1834-1903
Subject: Inventions
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Alexander Graham 1847-1922 (1)
Bell (1)
Caroline 1839-1920 (1)
Centennial Exhibition (1876 : Philadelphia (1)
Helen Louisa 1836-1912 (1)
Henry (1)
Inventions (1)
Inventors (1)
Joseph 1797-1878 (1)
Mary Anna 1834-1903 (1)
Pa.) (1)
Philosophical Society of Washington (1)
Telephone (1)
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Showing results 1 - 1 of 1 for
Henry, Mary A., 1834-1903
Alexander Graham Bell Demonstrates Telephone for Joseph Henry's Family
Date:
January 13, 1877
Showing results 1 - 1 of 1 for
Henry, Mary A., 1834-1903
