Refrigeration: Sectional view of ice-house. Pit

Refrigeration: Sectional view of ice-house. Pit dug and lined with brick, poor conductor of heat. Roof covered with thatch for same reason. Each piece of ice dipped in water before packed in ice-house, so forming solid mass with minimum surface area exposed. Drain at bottom. Wood engraving, Paris, 1874

Dipped Drain Exposed Forming Freezing Minimum Packed Preservation Reason Refrigeration Sectional Solid Thatch

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