This January 1961 advert promotes the Bryce Fuel Injection Equipment produced by Bryce Berger Limited. There is no mention in them actually supplying any of their products to British Railway but the large painting suggests they were fitted to these Brush AIA-AIA locomotives.
This advert appears in the following categories: Traction: Class 30/31 ; Supplier: Bryce Berger ; Component: Fuel Injection