Original oil and gas trade magazine vintage ad for SEISMOGRAPH SERVICE CORPORATION of Tulsa, OK. Acoustic Well Logging Complete in one run with new SSC tools. The new superior two-receiver velocity log minimizes variations caused by changes in hole size and mud cake. Variable transmitter and receiver spacings are available for optimum penetration. All signals are visually monitored at the surface for greater reliability. This unique 1959 old petroleum oilfield seismic and drilling equipment magazine advertisement would display beautifully matted and framed.