Cover of Von Duprin Self-Releasing Fire Exit Latches booklet.
Cover of Von Duprin Self-Releasing Fire Exit Latches booklet, Dixieland College Material (4), Theophilus Brown Larimore Papers, 1907-1935. Center for Restoration Studies MS #6. Abilene Christian University Special Collections and Archives, Brown Library. Abilene Christian University, Abilene, TX.
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