二戰，日本帝國陸軍，白青赤三色手持鐵道信號燈(WWII, Imperial Japanese Army, White Blue Red Tricolor Handheld Railway Signal Lights)《Black Water Museum...

A COMPREHENSIVE SURVEY OF RAILWAY DEVELOPMENT IN CHINA, By H.H. Ling, 1954, Former Engineer-in-chief, Lunghai Ry., Canton-Hankow Ry.,...