The New York World's Fair 19391940 Author:Richard Wurts Photographic tour of best-loved world’s fair: the 700-foot-tall Trylon; the 200-foot-wide Perisphere; GM’s Futurama ride; 3-D movies, Elektro, a robot seven feet tall; artwork by Salvador Dali, Rockwell Kent, Alexander Calder, much else. 155 photographs. Map. Introduction. Captions. Index.