Date: | 06 1975 |
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Description: | People watching a program in the "Agrisphere," an 80-capacity theater in a 40-foot-high geodesic dome in the Chicago Museum of Science and Industry paid fo... |
Date: | 05 1930 |
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Description: | Spectators gather around a clock tower constructed of twine at the exhibition of the German Agricultural Society in Cologne, Germany. The exhibition took p... |
Date: | 1947 |
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Description: | Elevated view of various power units and tractors on display at Soldier Field for International Harvester "100 Years in Chicago" celebration. Original capt... |
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