also introduced to the Umi-Shibaura branch (station numbers JI51 and JI52) as well as the Ōkawa branch (station number JI61). The company was nationalised in 1943, and in 1948 the voltage was increased to 1,500 V DC. References External links Stations of the Tsurumi Line (JR East) Lines of East Japan Railway Company Railway lines in Kanagawa Prefecture 1067 mm gauge railways in Japan Railway lines opened in 1926 1926 establishments in Japan