Why more and more "sharp pencil" buyers rely on Columbian Carbon for petrochemicals. Whether you figure value with a sharp pencil, slide rule, or electronic computer —one fact is evident. More and more customers who consider quality, service, price, and delivery are turning to Columbian Carbon for basic petrochemicals. From oursubsidiary, Petroleum Chemicals, Inc. and Dur affiliate, Cities Service Oil Company, Columbian 3arbon now markets two billion pounds of chemicals annually. Our plants and research centers supply top quality basic materials, while our technical service experts provide the practical ideas for improving
customers' products and manufacturing efficiency. If you use basic petrochemicals such as ethylene, propylene, butadiene, ethylene oxide, orthoxylene, benzene, toluene, mixed xylenes, cyclooctadiene, cyclododecatriene and derivatives-you will find Columbian Carbon uniquely geared to the needs of industries whose problems are "different." Why not write today and learn how we can be of service to yoL/?Columbian Carbon Company, 380 Madison Ave nue, New York, New York 10017. Branch offices and agents in principal cities.
COLUMBIAN CARBON COMPANY
Columbian Carbon's petrochemical products and services could make a world of difference in your operations. Major technical service and research centers are located in New York, N. Y. · Princeton, Trenton, N. J. · Akron, Ohio * Monroe, Lake Charles, La. · Zug, Switzerland # Milan, Italy * Sao Paulo, Brazil * London, England. C & Ε Ν 99
