Original oil and gas trade magazine vintage ad for CLARK BROTHERS COMPANY. Main office was located in Olean, NY. Expandability with pipeline compressors. They are the boosters with a built-in future. Available in five flange sizes, 12x12, 16x16, 20x20, 24x24, and 30x30. Complete internal assembly is easily interchanged to meet future conditions. This unique 1959 old oilfield petroleum pipeline industry equipment advertisement would display beautifully matted and framed. Two page gatefold advertisement.