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| Description: B. F. Skinner invented the Air Crib to provide a more comfortable, less restrictive infant bed than the traditional crib with its bars and blankets. Here the Skinners play with their 13-month-old daughter, Deborah. Picture Stats: Views: 147 Filesize: 376.11kB Height: 446 Width: 560 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39256 |