i have a Mellins i just got in a tote of bottles, so good to know thanksLooks post 1900. Mellins food for infants and invalids. Developed by Gustav Mellin in 1866. A soluble dry extract of wheat, malted barley and bicarbonate of potassium diluted with cows milk and water it was called a milk modifier. The only perfect substitute for mother's milk, it was not a complete nutritional substitute. They came in 3 sizes early ones were corktop and later screwtop.