A total of NUMBER@1 class NUMBER@2 were built by the ORGANIZATION@1 and ORGANIZATION@2 -LRB- BRCW -RRB- , and they were called `` MISC@1 '' after the Crompton Parkinson electrical equipment installed in them .

A total of NUMBER@1 class NUMBER@2 were built by the ORGANIZATION@3 , and they were called `` MISC@1 '' after the Crompton Parkinson electrical equipment installed in them .
