Business: Exhibit

At the International Petroleum Exposition in Tulsa, Okla., Franks Manufacturing Corp. put on display a new, aluminum-colored, portable rotary drilling rig which can be mounted on an automobile trailer. It attracted little attention. Just to have something to do, attendants started up the rig and began to drill. At 540 feet they struck oil. In some confusion they capped the hole. Tulsa County, which holds mineral rights underneath the exposition, indicated that it would be willing to receive offers.

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