University of Illinois at Chicago Century of Progress World's Fair, 1933-1934 (University of Illinois at Chicago)
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Date
ca. 1933-1934 (2)

Creator
Library of the Museum ... (1)
Kaufmann & Fabry co. (1)

Format
7.25x9.25 (1)
7.5x9.25 (1)

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"An Electric Eye Size Sorter which automatically sorts ball bearings correctly according to size is one
1. "An Electric Eye Size Sorter which automatically sorts ball bearings correctly according to size is one of the 'wonders' on display at the exhibit of the Electric Light and Power Industry on the second floor of the Electrical Building at the World's Fair."
"In General Electric's 'House of Magic' at the Century of Progress, the wonders of electrical science
2. "In General Electric's 'House of Magic' at the Century of Progress, the wonders of electrical science and research are demonstrated and explained by a staff of young engineers."
  

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