Refrigerated milk cart. This design, from the USA, used ice to keep the air temperature cool for the transport of milk. Holes in the compartments allo
Refrigerated milk cart. This design, from the USA, used ice to keep the air temperature cool for the transport of milk. Holes in the compartments allowed air to circulate from where the ice compartments to the milk compartments. The design of the compartments allowed a continual flow of air (arrows) to maintain the low temperatures. Refrigeration technology, using various techniques, was mostly developed from the 1840s and 1850s, though ice had been used for centuries. Artwork from the seventh volume (first period of 1891) of the French popular science weekly 'La Science Illustree'.
Size: 5063px × 4169px
Photo credit: © Science Photo Library / Alamy / Afripics
License: Licensed
Model Released: No
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