As curved screen glass became available in the UK at an acceptable price, the two piece windscreen was replaced with a single slightly curved windscreen in approximately 1958.
英国で曲面ガラスが適価で入手できるようになると1958年頃に2分割の平面ガラスは1枚の緩やかな曲率の曲面ガラスに替えられた。