Caption reads: At the International Petroleum Exposition in Tulsa, Hughes Tool Company is showing models of rock bits that have made drilling history in the past 50 years. This scene shows Howard R. Hughes, Sr., and companions running the rotary industry's first rock bit at Goose Creek, Texas, in 1909. This bit, invented by Mr. Hughes, resulted in the founding of Hughes Tool Company, today the world's largest rock bit manufacturer. (1959)