Refrigeration: Sectional view of ice-house showing ramming down of ice. 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. Woodcut; London; 1838
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Creative#:
TOP29133225
Source:
達志影像
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RM
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須由TPG 完整授權
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no
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No
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