Betty James, retired president of James Industries, plays with a toy Slinky that made the family company famous in Hollidaysburg, Pa., on Jan. 18, 2001. The estate of Betty James, the woman who in 1945 co-founded James Industries Inc. with her husband Richard, the inventor of the classic springy Slinky toy, and who assumed control in 1960 when he left his family to follow a Bolivian religious cult, will be auctioned off on Saturday, July 25, in her hometown of Hollidaysburg, Pa., about 128 km east of Pittsburgh and west of Harrisburg.