Archive image from page 552 of Dairy farming being the. Dairy farming : being the theory, practice, and methods of dairying dairyfarmingbein00shel Year: 1880 HKAT-GENEKATORS. 479 to the vat aro closed, thus forming a ciiculatiou vit'.l the tank only. After this water is warm, and when the milk has been placed in the tin vat, the stop-cock to the vat is opened, and the warm water immediately passes from the tank, filling the space between the tin and wooden vats. Vheu filled, the stop-cocks are closed, leaving the coil in connection with the vat only. The heating of the vat then immediately c
Archive image from page 552 of Dairy farming being the. Dairy farming : being the theory, practice, and methods of dairying dairyfarmingbein00shel Year: 1880 HKAT-GENEKATORS. 479 to the vat aro closed, thus forming a ciiculatiou vit'.l the tank only. After this water is warm, and when the milk has been placed in the tin vat, the stop-cock to the vat is opened, and the warm water immediately passes from the tank, filling the space between the tin and wooden vats. Vheu filled, the stop-cocks are closed, leaving the coil in connection with the vat only. The heating of the vat then immediately commences. The water passes from the vat through the lower pipe, and circulates slowly through the coil, becoming gradually heated, until partially converted into steam. In this condition it is returned to the vat through the perforated pipes, and by them is most evenly distributed. As the steam condenses on meeting the cooler water in the vat, the same cir- cuit is continued until the proper temperature is reached, when the stop-cock to the vat should be closed. This cuts off the circulation, and prevents a further rise of temperature. When the heat is sbut off from the vat, the stop-cock to the tank should at onee be opened, and the tank, having been re-filled with cold water, receives the heat from the coil until the vat is ready to be warmed again. In this manner a supply of hot water may be kept on, and for any purpose. One or more vats may be attached to a single heater, and the whole construction is such that it can scarcely be injured, even by the greatest We now give an illustration of a neat and effi- eieht combined steam-generator and engine (Fig. 286), in general the use among factories. It is fitted for burning wood or coal, and 1 lie flues are ar- ranged to present a great amount 1 if heating surface to the action of tlie flames, by which economy of fuel is obtained. In some dairies self-filling tanks are attached to the boiler. One of these is sh
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