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Transparency, Lantern Slide. Handwritten label on slide states: "One Type of Milk Cooler." Slide is from the Cornell University, Dept. of Dairy Industry and was part of an educational slide show. Image shows a man pouring milk from a pail into a container above the cooling mechanism. The milk then flows down through a mechanism and out at the bottom into a pail. To the right of the man is a pair of scales on a table and further to the right, shelves with bottles on it.
film size 3 1/4" x 4"