Original oil and gas trade magazine vintage ad for DYNEL, INC. of Los Angeles, CA. Subsidiary of Varec, Inc. How Dynel Supervisory Controls Helped Solve a Major Airline's Fuel Storage Problem at the New Los Angeles International Airport. Western Airlines asked of their fuel suppliers, Union Oil Company of California, to develop a modern underground storage and fueling installation. Union Oil, working in conjection with Sesler and Associates, presented to Dynel the problem of delivering an automatic and semi-automatic supervisory control system. This unique 1962 airplane fuel storage system equipment magazine advertisement would display beautifully matted and framed.