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consists of more than 650 photographs dating from 1839 to 1864. Portrait daguerreotypes produced by the Mathew Brady studio make up the major portion of the collection. The collection also includes early architectural views by John Plumbe, several Philadelphia street scenes, early portraits by pioneering daguerreotypist Robert Cornelius, and copies of painted portraits. (Library of Congress)
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 ![Photographer unidentified. [Occupational portrait of a latch maker] sixth plate daguerreotype, between 1850 and 1860.](http://free.ed.gov/images/resources/first-look.jpg)

Latch maker |
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