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A Century of Progress %u2022 Vintage PostcardsExhibitor & Concessionaire PostcardsThe Wonder BakeryIn this unusual and attractive exhibit, one may see a complete and modern bakery in operation, and watch every step in the production of the famous Slo-Baked Wonder Bread and Hostess Cakes.Peabody Coal ExhibitAmong the unique exhibits at A Century of Progress International Exposition, Chicago, is this section of the Illinois No. 6 seam. It was brought from the mine in huge blocks and reassembled in its original form. This mammoth block measures thirty feet by twenty feet by nine feet high. Inside a typical underground mine room is reproduced.
