Document GK31eq46q2O5e2rOdavnBEKrn

J- Consimr the I-Bk a m How lonJk'ill it last? IN the strength of your structure, Three-coat painting with pure redthe I-beam is an important factor. lead provides certain and lasting pro You have planned carefully against tection. It gives economical protec the stresses and strains this I-beam tion as well. must carry. You know that your The highest grade red-lead obtain structure is sound--that it will last as able is Dutch Boy red-lead. It is pure, long as the steel will last. finely ground, highly oxidized, and How long that will be depends upon available in either paste or liquid form. the method used to protect the steel Theliquidcomesin thenatural orange- against corrosion. That's where red- red for next-to-metal coats and in lead comes in. It is of proved value greens, browns and black for finish as a rust-preventive. For over a hun ing coats. The paste comes in the dred years, it has been the standard orange-red and can be shaded to dark protective paint for metal. colors. Pure red-lead paint sticks tight to Whenever you encounter an unusual metal surfaces. It forms a tough, dura painting problem you will find our ble, tenacious film that does not special technical staff ready to serve crack or scale. This film is insoluble you. Their wide experience and ex in water, is an excellent insulator, and haustive knowledge of painting enable is elastic enough to expand and con them to give valuable assistance. Write tract with changing temperatures. them in care of our nearest branch. NATIONAL LEAD COMPANY New York, 111 Broadway Boston, 800 Albany St. Buffalo, 126 Oak St. Chicago, 900 West 18th St. Cincinnati, 659 Freeman Av. Cleveland, 820 W. Superior Ave. St. Louis, 722 Chestnut St. San Francisco, 435 California St. Pittsburgh, National Lead & Oil Co. of Pa., 316 Fourth Ave. Philadelphia, John T. Lewis &. Bros. Co., 437 Chestnut St. UTCH ED-LE/ This advertisement appears in Engineering News-Record, August 18, 1927