Santa fe railroad china dating

Posted by / 25-Mar-2018 02:32

Refrigerator cars differ from simple insulated boxcars and ventilated boxcars (commonly used for transporting fruit), neither of which are fitted with cooling apparatus.Reefers can be ice-cooled, come equipped with any one of a variety of mechanical refrigeration systems, or utilize carbon dioxide (either as dry ice, or in liquid form) as a cooling agent.Through the ages, the seasonal harvesting of snow and ice was a regular practice of many cultures.China, Greece, and Rome stored ice and snow in caves, dugouts or ice houses lined with straw or other insulating materials.By 1920, the SRL owned and operated 7,000 of the ice-cooled rail cars.

Placing meat directly against ice resulted in discoloration and affected the taste, proving to be impractical.Within a year, the Line's roster had risen to nearly 200 units, and Swift was transporting an average of 3,000 carcasses a week to Boston, Massachusetts.Competing firms such as Armour and Company quickly followed suit.A refrigerator car (or "reefer") is a refrigerated boxcar (U.S.), a piece of railroad rolling stock designed to carry perishable freight at specific temperatures.

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In the 1870s, the lack of a practical means to refrigerate peaches limited the markets open to Samuel Rumph, a Georgia peach grower.