Original oil and gas trade magazine vintage ad for HUGHES TOOL COMPANY of Houston, TX. Now research engineers can see rock bits work on bottom. After three years of development, our research teams have perfected an ingenious method of actually watching a bottom hole pattern develop, a tooth at a time during laboratory drilling. It is done through electronic signals from the bit. These pulses are transmitted to an electronic recorder and memo-scope. You can expect Hughes bits to drill faster and longer. This unique 1962 old oilfield petroleum drilling industry equipment magazine advertisement would display beautifully matted and framed. Two page gatefold advertisement.