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Innovation in History. Chicago Dominic A. Pacyga, Ph.D. Columbia College/Chicago . Balloon Frame Construction. Raising the Grade. Illinois and Michigan Canal, 1848. Railroad Development. Futures Market/Grain Grading. Packinghouse “Disassembly Line”. Lumber Yards/Distribution.
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Innovation in History Chicago Dominic A. Pacyga, Ph.D. Columbia College/Chicago