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Patent certificate to Alexander Bain for improvement in electric telegraph

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Patent certificate to Alexander Bain for improvement in electric telegraph

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Summary

Picryl description: Public domain photo of patent - related publication, free to use, no copyright restrictions image.

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Date

01/01/1849
person

Contributors

Morse, Samuel Finley Breese, 1791-1872.
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Source

Library of Congress
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Copyright info

Public Domain

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