An October 1961 advert from Mirrlees, Bickerton & Day Limited. It shows a Brush type 2 locomotive (D5639) fitted with their Mirrlees JVST engine drawing into platform 6 at Kings Cross with the empty stock to form the 5.10pm commuter service to Royston.
This advert appears in the following categories: Traction: Class 30/31 ; Supplier: Mirrlees ; Component: Diesel Engines (Power Unit)