Original oil and gas trade magazine vintage ad for THE THERMIX CORPORATION, of Greenwich, CT. The Thermix Corp Salutes an Industry. Prat-Daniel Fan Stacks, Aerotec Gas Scrubbers, P-D and Aerotec Mechanical Dust Collectors for Utilities, Power Plants and industrial dusts, Aerotec Electrical Precipitators, Heacon Dampers. This unique 1959 old petroleum refinery equipment magazine advertisement would display fantastic matted and famed.