. City milk plants:. 32 BULLETIN 840, TJ. S. DEPARTMENT OF AGRICULTURE. fan, which will keep the air in circulation and produce better results from the cooling coils. A considerable number of modern plants have an indirect method of cooling the cold-storage room which also serves as a ven- tilating system. The air is blown over bunkers or refrigerating coils in another room and then through flues into the cold room. The cold air drops as soon as it reaches the openings in this room and the warmer air passes out through other openings and is again drawn over the refrigerating coils, so that a c
. City milk plants:. 32 BULLETIN 840, TJ. S. DEPARTMENT OF AGRICULTURE. fan, which will keep the air in circulation and produce better results from the cooling coils. A considerable number of modern plants have an indirect method of cooling the cold-storage room which also serves as a ven- tilating system. The air is blown over bunkers or refrigerating coils in another room and then through flues into the cold room. The cold air drops as soon as it reaches the openings in this room and the warmer air passes out through other openings and is again drawn over the refrigerating coils, so that a constant circulation of clean, dry, cold air is Fig. 14.—Milk-storage room with indirect system of cooling. Note flues through which the cold air is fanned into the room, also system of conveying the milk into the room from the bottling room. MISCELLANEOUS REQUIREMENTS. Screens should be attached to all windows and doors during the fly season. The screens should be outside and open outward. The receiving room especially should be well closed in and screened, and self-closing doors should be attached to the room as well as to others through which workmen pass continually. Electric fans will also aid in keeping flies away from the milk and equipment. Double doors at the entrance of the plant with fans blowing toward them will greatly aid in keeping the flies out. It is important to have a special room for the drivers and other employees. In this room a locker for each man's working clothes is essential, and shower baths and toilet facilities should be provided in an adjoining Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Kelly, Ernest. [from old catalog]; Clement, Clarence Elbert, 1883- [from old catalog] joint author. Washington [Govt. print. off. ]
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