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(Die Seite wurde neu angelegt: „(C)old cellars Preserving food is a problem as old as mankind. For the longest time, ice was mined in winter and stored over the summer in deep earth cellars, so-called ice cellars. In a Chinese songbook from 1140 BC, such ice cellars are already described. The history of artificial cooling began in the 18th century, or more precisely in 1748, with an experiment by the Scottish professor William Cullen. It took another century before artificial cooling pr…“) |
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