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 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / UIG / Universal History Archive |
Bildgröße: | 4920 px × 7105 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |