“Every modern refrigeration system has the same four parts: compressor, condenser, expansion valve, and evaporator, and the Perkins cycle became the foundation of new industrial refrigeration projects. In 1855 came the first ice-making plant, in Cleveland; in 1861 the first meat-freezing plant, in Sydney.”

“Every modern refrigeration system has the same four parts: compressor, condenser, expansion valve, and evaporator, and the Perkins cycle became the foundation of new industrial refrigeration projects. In 1855 came the first ice-making plant, in Cleveland; in 1861 the first meat-freezing plant, in Sydney.”

— Vaclav Smil