Refrigeration

The term refrigeration means cooling a space, substance or system to lower and/or maintain its temperature below the ambient one (while the removed heat is rejected at a higher temperature). In other words, refrigeration is artificial (human-made) cooling. Energy in the form of heat is removed from a low-temperature reservoir and transferred to a high-temperature reservoir. The work of energy transfer is traditionally driven by mechanical means, but can also be driven by heat, magnetism, electricity, laser, or other means. Refrigeration has many applications, including household refrigerators, industrial freezers, cryogenics, and air conditioning. Heat pumps may use the heat output …

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Publications

The National Archives · 1 January 1982 English

A file of correspondence and reports concerning political relations between Albania and the United Kingdom. The documents cover discussions on the possible resumption of relations between the British and Albanian …

35,330 13,106 81,743 Dairy, poultry and refrigeration equimcnt 17,280 139,548 479,589 636,417


The National Archives · 1 January 1982 English

gas turbines - BKL Fittings Borg Warner Refrigeration equipment 25 Burgess Manning Scrubbers and Technology Waste heat units 5 Linae Hydraulics Refrigeration equipment 25 :4ateval Ultra-sonic testing


The National Archives · 1 January 1982 English

A file of correspondence and reports concerning notable visits between East Germany and the United Kingdom. The documents cover a trip to East Germany by a group of British veterinary …

and turbines, hydraulics and cooling arri refrigeration plants. There are a number of branches overseas


The National Archives · 1 January 1982 English

their coats below could feel the chill of refrigeration. At the corpse's feet, displayed on individual their coats below could feel the chill of I refrigeration. At the corpse's feet, displayed on I individual


The National Archives · 1 January 1982 English

A file containing documents relating to the Soviet economy. Subjects covered in the file include poor economic output in the first quarter of 1982; a newspaper article criticising the neglect …

boxes and although cool was not u n d e r refrigeration. M i l k , k e f i r , margarine and small


The National Archives · 1 January 1981 English

supply of, inter alia, processor stations, gas refrigeration stations, and computer and control systems for


The National Archives · 1 January 1981 Russian

A file of correspondence and reports concerning the Anglo-Soviet Joint Commission. The documents cover arrangements for a meeting of the commission; news that Yurii Brezhnev, the son of the Soviet …

containerised transportation including trailers and refrigeration equipment; Equipment for the railway industry


The National Archives · 1 January 1981 English

impedes the establishment of a full and effective refrigeration chain and causes deterioration in the quality


The National Archives · 1 January 1981 English

A file of correspondence and reports concerning the production of oil in the Soviet Union. The documents cover the discussions of the oil companies British Petroleum and Shell Oil with …

engineers as well as makers of industrial refrigeration plant, fork lift trucks etc etc), and also


The National Archives · 1 January 1981 English

with regard to the development of silos and refrigeration facilities. The overall management of agriculture


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