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...Perkins vapor compression cycle for refrigeration a historic mechanical engineering landmark the cooling like many significant innovations development of can trace its origins to multiple innovators who were responsible facets innovation by coming up with concept demonstrating feasibility creating first working device and eventually manufacturing commercial product tracing what we now refer as refrigerator provides discourse how typically moves from useful copyright november published history heritage committee american society engineers air conditioning are often regarded among most all time both rely upon demonstrated jacob while ice has been used since pre times help preserve food spoilage it obvious limitations only made practical store transport foods that require cooler temperatures than provided same technology us ability maintain homes other living spaces at comfortable in addition numerous applications such processes manufacture paper drugs soap glue shoe polish perfume cellul...