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Show feg a Vi J b' DEVICE STIRS MILK WHILE IT IS COOLED Fresh milk Is often stirred In order to cool It, and this Is usually done by hand, which is n slow and tiresome task. A simple device for doing the work automatically by wnter flowing Into o tank, as shown in the drawing, can be made by any farmer fron. materials ma-terials that are available everywhere. The device consists of a shallow box, made of one-Inch pine boards. The ends are sloping and the box Is divided into two equal ports by n 1 . 1 A Simple Rocking-Box for Stirring Fresh Milk Automatically by Water Flow. board extending vertically In the center cen-ter about eight or ten Inches above the sides. The box Is mounted at Its center on a wooden axle, and a stirring stir-ring paddle Is attached to each end as indicated. These paddles are made from laths, pinned smooth, and having hav-ing a number of short crosspleces nailed on. In use, the milk cans are placed In the water tank and the stirring stir-ring device arranged as shown in the drawing, the rocklng-box being located under a water pipe so that the water first flows Into one side and then Into the other side alternately. As soon as one side of the box Is filled the weight of the water causes the box to tljt over, and the other side of the box is then filled. Popular Mechanics Magazine. |