Hornby R40214 BR MK1 Coach BCK Test Coach "Mercury" Coach No.RDB975280 in BR Research and Development Group Livery - OO Gauge

The first standardised railway carriage design built by British Railways, the Mark 1 Coach introduced in 1951 continued to be produced until 1963, and even later in the form of multiple units and non-passenger stock. Mk1 Coaches were built in various places including Derby, Doncaster, Eastleigh, Swindon, Wolverton and York.

Test Coach 18 'Mercury' was used to test the track based transponders utilised by the C-APT system. Throughout 1974 'Mercury' would be coupled to almost any available West Coast Mainline train many times per day.

SPECIFICATIONS