Document B5dZvr1gQRq2Y5gQzwpwKaG0L

52 PROO F of your advertisement for insertion in the tos&MteMl Please read carefully and RETURN with O. K,. before MU .issue i@i&Hshedby#heditieri&t&&smfcti}Saeteto? 419 4t h AVENUE. NEW YORK when this proof will be con sidered O. K. and published TX HE seamless tube, chemical lead lining of "United Tubond' pipe is so firmly bonded to the steel that twisting tests have failed absolutely to separate the two metals. Thus you obtain, in using "United Tubond" pipe, not only the corrosion-resistance you are after but also the proper construction to withstand shock, vibration, vacuum and pressure. "UNITED LINED" EQUIPMENT includes not only "United Tubond" pipe but also lead lined fittings, valves and tanks. Under the "United" trade mark are also sold hardlead fittings, valves, cocks and pumps. "United" installations are now in satisfactory use, eliminating replacements and lasting years, in practically every process in dustry--cellulose, dye stiitfs, explosives, chemicals, lime, food products, petroleum, rubber, etc., etc. Let us send you actual service reports on installations in your industry. Un it e d Le a d Co . A Sure Saving Use "UNITED" PRODUCTS Chemical Lead Lined Pipe and Fittings for the handling of Dilute Sulphuric. Sulphurous and other adds, mine and salt water, etc. Tin-Lined, BrassLined and Copper- Ljaed Pipe and . Fittings. Add Valves Chemical Lead and Tin Covered Pipe and Fittings Hard Lead Centrifugal Add - Pumps A. Na t io n a l Le a d Co mpa n y of ........ ; 111 BROADWAY - NEW YORK, N. Y. FOR CORROSION RESISTANCE PIUS -v v