Image 1 of 3 Image 2 of 3 Image 3 of 3 WW2 1940 Turn and Slip Gauge used in Spitfires, Hurricanes, Mosquitos, Heavy Bombers and others $350.00 This was used in the Blind Flying Panel of so many RAF / RCAF aircraft of the war. Add To Cart Added! This was used in the Blind Flying Panel of so many RAF / RCAF aircraft of the war.