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Gas Refrigerator for Ice Cream Truck
Popular Mechanics, November 1929
Ice cream and milk delivery trucks are being equipped with gas-burning refrigerating apparatus as a substitute for salt and ice. The plan is more effective and cleaner, and is also said to be cheaper, particularly because the maintenance and service costs are greatly reduced. Successful operation of these refrigeration plants promises more extensive shipment of perishable goods by truck, owners point out.
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