1. Box Ventilator and Crank Gear Shaft Collection: Images from the Rare Book and Manuscript Collections Date: 1743 Format: Image
2. View of Ventilator Installed in Ship Collection: Images from the Rare Book and Manuscript Collections Date: 1743 Format: Image
3. Box Ventilator Collection: Images from the Rare Book and Manuscript Collections Date: 1743 Format: Image
4. Box Ventilator Collection: Images from the Rare Book and Manuscript Collections Date: 1743 Format: Image
