. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1104391499"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . "The Southern Railway took a key role in expanding the 660 V DC third rail electrified network begun by the London & South Western Railway. As a result of this, and its smaller operating area, its steam locomotive stock was the smallest of the 'Big Four' companies. For an explanation of numbering and classification, see British Rail locomotive and multiple unit numbering and classification."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1169552"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "52502"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Locomotives of the Southern Railway"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "The Southern Railway took a key role in expanding the 660 V DC third rail electrified network begun by the London & South Western Railway. As a result of this, and its smaller operating area, its steam locomotive stock was the smallest of the 'Big Four' companies. For an explanation of numbering and classification, see British Rail locomotive and multiple unit numbering and classification."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .