Original oil and gas trade magazine vintage ad for ROSS HEATER & MANUFACTURING COMPANY. Main office and factory was located at 1417 West Avenue, Buffalo, NY. Removable Bundle Exchangers redesign and mass production set costs lower than many iron and steel shell units. Type BCP exchanger, famed for its service on US Navy combat vessels, opens the way for industry-wide use. This unique 1950 old petroleum refining industry equipment magazine advertisement would display beautifully matted and framed.