The New Zealand Railways Magazine, Volume 1, Issue 7 (December 15, 1926)
Type of exchange yard constructed by the British Army in France during the war to facilitate exchange of traffic between the British and French railway authorities. (Note the triangle to enable engines to turn as they pass from one train to another)
Type of exchange yard constructed by the British Army in France during the war to facilitate exchange of traffic between the British and French railway authorities. (Note the triangle to enable engines to turn as they pass from one train to another)