Skim Milk Test Bottle. Material: paper. Size: 1 1/2" square x 6 7/8" L. Description: white cardboard; blue printed information and test bottle graphics on each long side: "Wagner's and Troy's Skim Milk Test Bottles" with directions for use and manufacturer's name & address: "The Wagner Glass Works, New York, NY"; patent dates on box: 1897, 1898, 1905, 1911; contained test tube #14.85.3a.
