Original 1967 Houston business trade magazine vintage ad for SOUTHWESTERN BELL TELEPHONE COMPANY. Bell System. There are two sides to every dollar you spend in Houston for telephone service. One side buys you good telephone service at a bargain price. The other plays a vital role in the areas economic growth. In 1967, Southwestern Bell construction program will pump $42 million into the Houston economy. New buildings, more weather-proofed cables, underground if possible, and installation of modern communications equipment are just a few of the construction projects scheduled to insure top-notch telephone service. ​N. K. Hoverstock, General Manager. This old dated one page telephone magazine advertisement would display beautifully matted and framed.