Popular Science Monthly
��27
��Keeping Things Cold in the Automobile Refrigerator
USlll) by the owners of a large farm in Xi-wi^irl, Minn., to deliver milk, but- ter and kindred dairy pro- ducts within a radius of twenty-five miles, the one thousand- five-hundred - pound truck shown in the accompanying' picture is in reality a refrigerator on wheels. It is equipped with a double-sheathed body, filled with sawdust between the inner and outer skins to prevent radiation.
The interior is kept cool by means of a conventional ice-box placed directly under the roof at the front end, which is large enough to hold three hundred pounds of ice. The box is zinc-lined and is surrouniled on all sides by a layer of charcoal. It is drained by means of a pipe extending down through the double floor to within a foot of the ground. Directly beneath the ice-box are three
���At last we have a refrigerator on wheel- ing dairy products
shelves crosswise of the body for carrying butter, bottled milk, pot-cheese, etc. Ten-gallon cans of milk are carried at the rear.
The large cans of milk or .the goods carried on the shelves can be removed easily and quickly without opening the rear doors, this being accomplished through the two side doors, one on either side, shown directly behind the shelves. The doors are zinc-lined and when shut are air-tight. — J. Husso.N.
��A Record Motor-Truck Load of Barrels
CARRYING a part of its big load and the height above above and in front of the driver's
��cab, the motor-truck pictured is equipped with a special rack-body capable of holding three hundred and eighty-five barrels. This is one hundred and thirty- five more than can be loaded into an ordinary railroad freight car. Some idea of the big load may be gathered from the fact that the extreme fore and aft length is about twenty-eight feet
��the ground, fifteen feet.
The vehicle, a three and one-half ton truck, is owned and operated by a manufacturer of barrels in Rock, near Middleboro, Mass. Most of the com- pany's product is used by the cranberry growers in Plymouth county and down Cape Cod way. The growers now get their barrels directly from Middleboro by the motor-truck and in much less time than when shipped by freight, due to the elimi- nation of railroad delays and the added haul from the plant to the railway at one end and from the latter to the cranberry fields at the other. In addition, loading at the sending end and unloading at the receiving station are avoided by the dircct-to- the-door delivery of the truck, which makes this means of transportation not only quicker but also More barrels can be carried on this truck tlian in cheaper than rail. Only
the largest freight-car empty barrels are carried.
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