What might have been an unusual happening at the time, Midland 3F 'Jinty' 7505 (47505) ambles down the GN Main line as it heads into London, the 'Potters Bar' destination board suggests that the loco could be returning light engine to Devons Road (13B) for refuelling, having just worked a Broad Street - Potters Bar local service, 13/5/39. ©George C. Lander/Rail Photoprints