Departmental - Research Division later Red/Pale Grey Livery red brandings 1, One pair of each of the following vehicle-side brandings in red: Laboratory 22, Laboratory 23, Laboratory 1, Laboratory 7, Laboratory 21, Laboratory 19, Laboratory 26, Laboratory 5 (2 pairs), Laboratory 3, Laboratory 11, Laboratory 4, Laboratory 12, Laboratory 20, Laboratory 10, Laboratory 25, Laboratory 6 Prometheus, Laboratory 15 Argus. Fourteen sets of TOPS numbering 1 - 0 in red. Four pairs inscription 'British Rail Research Railway Technical Centre Derby'each in 3 lines in red. Red. Please note: The above sheet is designed to be used in conjunction with F4279 and F4275 duplex white and dark grey lining.