This strip of catalog listings includes descriptions and/or pricing for milk bottles, milk bottle caps, parchment butter paper and dairy salt. Also included are illustrations of three sizes of milk bottles and an illustration of milk bottle caps, showing one cap being opened and one cap closed. 
Here are black and white clip art versions of the illustrations. 
Click on images to enlarge.
I scanned the original from the 1917 Griffith & Turner Co. Farm and Garden Supplies catalog.
Oooh, this graphic is awesome. Thank you for sharing it with us.