They Sold Winter in Summer—Then Came the Refrigerator

Workers cut ice from frozen ponds, packed it into insulated buildings, and delivered winter's harvest through kitchen doors in warmer weather. That supply kept melting. A refrigerator offered a different bargain: a machine that could keep moving heat out of the cabinet. Follow the ice trade, the working refrigeration cycle, early domestic designs and door shelves, and the cold chain connecting a family meal to warehouses, transport and shops. CHAPTERS 00:00 The promise of a refrigerator 00:37 The ice trade reaches the kitchen 02:52 How melting ice removes heat 05:07 The refrigeration cycle: follow the heat 08:43 Early domestic refrigerators and door shelves 12:51 The kitchen inside the wider cold chain What Time Built explores the history and engineering hidden inside everyday systems. SOURCES National Park Service - the icebox and its supply: https://home.nps.gov/articles/000/the... Science Museum Group - Shelvador refrigerator: https://collection.sciencemuseumgroup... OpenStax - heat pumps and refrigerators: https://openstax.org/books/college-ph... National Park Service - William Floyd Estate icehouse: https://www.nps.gov/places/barnyard-t... Historical iceboxes and early patent designs are distinguished from representative later refrigeration systems. #Refrigerator #Engineering #History