DescriptionSide view of E. Hallstrom - Kerosene Ammonia Refrigeration unit.jpg
English: Side view of E. Hallstrom - Kerosene Ammonia Refrigeration unit. The finned part at the bottom is the boiler with its twin kerosene burners, above it is the tank in which the condenser is immersed in water. At the botton on the left is the evaporator which is inside the (missing) insulated cabinet.
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