Compare the size of ancient corn cob with modern-day corn.
German transfer print plate provides clues to settler’s origins
Illinois Legacy Collection, Illinois State Museum
Gift of Mrs. Robert Gillespie, 1972.028.746876
Photoelectric relay made at Yerkes Observatory, Williams Bay, Wisconsin, with the cooperation of the General Electric Co., and photoelectric cells by R. J. Cashman and W. S. Huxford, 1933. Courtesy of the Adler Planetarium.