 Those built from 1912 onwards were decorated with flared-top chimneys, in place of stovepipes, and the high-roofed cab with side-windows which was now the Holden standard.The Decapod developed mainly under Chief Draughtsman Frederick Vernon Russell was an extraordinary endeavour to develop a steam locomotive which could perform at the level of electric traction.It was built in 1902 to forestall an imminent scheme for an electrified railway out of London to suburbs served by the GER.