Carnforth - British Railways, London Midland Region - diagram of track layout. ... signals for the freightliner which then regained the main line and proceeded on its way to Carlisle. ... have been a case in point; but today the use of modern electronic devices enables the controls to be sent over the intervening distance on a minimum of line wires. ... In Great Britain the catalyst was the difficulty of seeing signals in fog, and the first steps were taken in the closing years of the 19th century.
|Title||:||Encyclopedia of railroads|
|Author||:||Oswald Stevens Nock|