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Start Over You searched for: Repository Science History Institute Archives Remove constraint Repository: Science History Institute Archives Subject Infrared spectroscopy Remove constraint Subject: Infrared spectroscopy People Elmer, Charles Wesley, 1872-1954 Remove constraint People: Elmer, Charles Wesley, 1872-1954 Year 1980 to 1984 Remove constraint Year: <span class="from" data-blrl-begin="1980">1980</span> to <span class="to" data-blrl-end="1984">1984</span>

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