1. Emery Large Horizontal Tensile Strength Testing Machine Collection: Images from the Rare Book and Manuscript Collections Location: Cornell University, Ithaca, New York Format: Image
2. Mr. John R. Pitts (left), Communications consultant to the New York Telephone Company, demonstrates modern hotel-motel telephone communications instruments to Mr. and Mrs. Fred Waring (Hotel Adminstration) Collection: Images from the Rare Book and Manuscript Collections Format: Image
3. Mattress-testing machine, Hotel Administration Collection: Images from the Rare Book and Manuscript Collections Date: 1960-1969 Format: Image