Pedro Rodriguez trys out the new B.R.M. P138 V12 during practice for the 1968 British GP at Brands Hatch. B.R.M. mechanic Willie Southcott is bending over the rear of the car whilst Cyril Atkins stands behind his driver. On the right, with hat, is Pedro’s father Don Pedrto. Peter Berthon stands with hand on hip. Pedro did not race this car preferring the older P133. He retired after 52 of 80 laps.