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The Creative Revolution
The Founding Father
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achieved air-conditioning ammonia APV Hall Australia beam engine became Board Boulton & Watt breweries brine Britain British Bryan Donkin building built cargo century Chairman CO2 machines cold stores cold-air machine company's compression compressor continued contracts cooling customers cylinder Dartford Priory Donkin electric employees engineering enterprise equipment established Everard Hesketh export factory firm frozen Group Hall Ltd Hall refrigeration Hall-Thermotank Hall-Thermotank Products Hall's Hallford Halls of Dartford Hallscrew heat Iain Stewart important increased Industrial Revolution installed John Hall joined land later lifts and escalators London lorries machinery manufacture marine meat merger methyl chloride mills motor operation overseas passenger patent pipes profit refrigeration and air-conditioning refrigeration machines refrigeration plant Richard Trevithick shareholders ships South Africa steam supplied technical temperature Thermotank town trade transport Trevithick users Veebloc Vent-Axia ventilation vessels Zealand