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The Historical and Interpretive Collections of The Franklin Institute aviation photograph collection, 1934-1947 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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The Historical and Interpretive Collections of The Franklin Institute stereoscope card collection, circa 1873-1914

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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M. Carey Lea opalotypes and manuscripts, circa 1840s-1890s

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Ivy Mills financial records, 1783-1866 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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The Historical and Interpretive Collections of The Franklin Institute subject files, 1792-1943 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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John Scott portrait negatives of scientists, circa 1920-1930s

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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D. G. McCaa papers on radio, 1909-1930 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Oliver Evans papers on patents, manufacturing and business matters, 1793-1818, 1900

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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William N. Jennings scrapbook, photographs, and negatives, 1882-1937 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Frederick Graff maps, technical drawings, and plans on Philadelphia (Pa.) water engineering projects, circa 1683-1875

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Orville and Wilbur Wright papers on aeronautical engineering, 1889-1930 (inclusive)

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Friends of Northeast Philadelphia History local history collection, 1796-2009 (inclusive)

Held at: Friends of Northeast Philadelphia History [Contact Us]

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Tacony Creek Park Maps, Plans and Drawings, 1950-1975 (bulk) 1903-1983 (inclusive)

Held at: Fairmount Park Historic Resource Archives [Contact Us]

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Centennial Exhibition Plans and Drawings Collection, circa 1876

Held at: Fairmount Park Historic Resource Archives [Contact Us]

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Cobb's Creek Maps, Plans and Drawings Collection, 1902-2003

Held at: Fairmount Park Historic Resource Archives [Contact Us]

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Neighborhood Park Maps, Plans and Drawings Collection, 1922-1983 (bulk) 1860-2011 (inclusive)

Held at: Fairmount Park Historic Resource Archives [Contact Us]