Original oil and gas trade magazine vintage ad for TECHNICAL OIL TOOL CORPORATION. Main office located at 1057 North La Brea Ave, Los Angeles, CA. TOTCO. So Dependable, its the worlds first choice. Double recorders built to take the highest well pressures and the hottest bottom temperatures. This unique 1959 old petroleum oilfield drilling industry equipment magazine advertisement would display beautifully matted and framed.