This video from oorail.com is the fourth in a series explaining basic British Rail Terminology. In this fourth installment we follow on from the Mark 1 (Mk1) Coaches to Mark 2 (Mk2) coaches. Like the previous video, this video explains what a rake is, the difference between Open and Corridor coaches, and basic Mk2 rake configurations. This video features a Class 25 from Bachmann with Bachmann Mk2 coaches. The configuration in this video is TSO-TSO-FK-FK-BFK. Where TSO is Tourist Second Open,…