Original vintage oil and gas trade magazine ad for THE AEROTEC CORPORATION of Greenwich, CT. The Answer to High Pressure Gas Scrubbing. Dry Gas Scrubbers. Pictured is the Installation of Aerotec Gas Scrubber at University, Block 31, Field, Crane County, Texas. Project Engineers The Thermix Corporation. Old 1954 petroleum industry equipment advertisement. Would display fantastic matted and framed.