‘Mater’ comes from the Japanese abbreviation for ‘mountain’. During Japanese colonialism, fifty Mater 1 locomotives, modelled after their Mountain-type counterparts in the United States, were built in Gyeongseong (Seoul) and at the Kisha Seizo factory in Japan. The thirty-three-carriage Mater 2, an improved version manufactured by Kawasaki Heavy Industries, was introduced and operated mainly in...