1. Varieties of pressure cookers Collection: Human Ecology Historical Photographs Set: Departments and Divisions Household Economics and Management Date: 1918 Format: Image Photographer: Troy, J. P. (John Patrick)
2. Steam pressure cookers and fireless cookers Collection: Human Ecology Historical Photographs Set: Departments and Divisions Household Economics and Management Date: 1921 Format: Image Photographer: Troy, J. P. (John Patrick)
