REFRIGERATION -- PRINCIPLES OF MECHANICAL REFRIGERATION - Department of Defense 1964-01-01 - DOD PIN 27633 - SHOWS APPLICATION OF BASIC PHYSICS OF HEAT TRANSFER IN REFRIGERATION UNITS. EXPLAINS TEMPERATURE CHANGES IN REFRIGERANT PASSING THROUGH THE EXPANSION VALVE, COMPRESSOR, CONDENSER AND EVAPORATOR AS IT CARRIES HEAT TO THE OUTSIDE AIR.
