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De Forest, Lee, 1873-1961
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Rare Book & Manuscript Library
Earl I. Sponable papers, 1928-1968
125 boxes
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Rare Book & Manuscript Library
Edwin H. Armstrong papers, 1886-1982, bulk 1912-1954
295.7 linear feet
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Rare Book & Manuscript Library
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Earl I. Sponable papers, 1928-1968
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Edwin H. Armstrong papers, 1886-1982, bulk 1912-1954
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Armstrong, Edwin H (Edwin Howard), 1890-1954
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Sponable, Earl I., 1895-1977
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De Forest, Lee, 1873-1961
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Rare Book and Manuscript Library
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Armstrong, Edwin H (Edwin Howard), 1890-1954
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Burger, Warren E., 1907-1995
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Bush, Vannevar, 1890-1974
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Butler, Nicholas Murray, 1862-1947
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Case, Theodore W., 1888-1944
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Columbia University. Marcellus Hartley Research Laboratory
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Coudert, Frederic R (Frederic René), 1871-1955
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Craig, Edward Gordon, 1872-1966
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Alpine (N.J.)
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Clippings (Information Artifacts)
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Patents
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Photographic prints
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Technical drawings
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blueprints (reprographic copies)
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35mm (photographic film size)
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Abstracts (summaries)
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Account books
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