An advertisement for the Sharp-Hughes Tool Company, soon to be renamed to Hughes Tool Company, in the February 1914 issue of "Fuel Oil Journal" magazine. The advertisement reads: "S-H" PATENT ROTARY ROCK DRILL BIT A FRIEND TO THE DRILLER This Bit is doing more today to maintain the position of the Rotary Driller than any other feature of the rotary drill business which has come into that profession since the discovery of the Spindletop, Texas, Oil Field in 1901. CORRESPONDENCE INVITED Catalog and prices on request. Immediate shipment from stock of all standard sizes. SHARP-HUGHES TOOL COMPANY HOUSTON, TEXAS, U.S.A – SECOND AND GIRARD STREETS