Category:Carriage Type RB / RBR
Carriage Type RB signifies a Restaurant Buffet Carriage. This type of carriage had a full kitchen with cooking facilities as well as a buffet counter. This enabled hot food to be served, unlike the Restaurant Miniature Buffet (RMB) which only served light snacks.
Type RBR signifies Restaurant Buffet Refurbished. BRBritish Rail or British Railways carried out a number of 'upgrades' to Mark 1 RBs such as the installation of fluorescent lighting, although the basic configuration remained unchanged.
Following the introduction of TOPSTotal Operations Processing System, an American computer system adopted by BR from the late 1960s to number and manage rolling stock. in the late 1960s, BRBritish Rail or British Railways carriages of this class were allocated the TOPS code AJ41, denoting:
A: Passenger carrying stock
J: Restaurant Buffet with Kitchen
4: Unclassified (ie not First or Standard etc)