65590. Mechanical and power operated signalling - London : The Westinghouse Brake & Saxby Signal Co., 1924-1927. - 17 dln (in 1 bd) : ill. ; 29 cm PK : DE PATER F 179 Bezit: 1-17

65590. Mechanical and power operated signalling - London : The Westinghouse Brake & Saxby Signal Co., 1924-1927. - 17 dln (in 1 bd) : ill. ; 29 cm PK : DE PATER F 179 Bezit: 1-17