Cryocoolers

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The book explores the significant advancements in cryogenic engineering and low-temperature research over recent decades. Professor Walker details the interplay between improved refrigeration techniques and scientific discoveries, highlighting various cryogenic systems that have emerged. The narrative includes personal insights from the author, who reflects on his early experiments with rotary engines and air liquefaction in the 1930s, as well as his development of helium liquefiers in the 1950s, showcasing the evolution of technology in this specialized field.