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Letter from John Gordon Brown to Alexander Graham Bell, February 27

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telephone patents multiple telegraph correspondence alexander graham bell family papers 1834 1974 subject file alexander graham bell family papers at the library of congress american memory alexander graham bell george brown john gordon brown high resolution manuscripts
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Date

1847 - 1922
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Library of Congress
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https://www.loc.gov/
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Public Domain

label_outline Explore George Brown

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telephone patents multiple telegraph correspondence alexander graham bell family papers 1834 1974 subject file alexander graham bell family papers at the library of congress american memory alexander graham bell george brown john gordon brown high resolution manuscripts