The Southern Railway ( SR ) gave the designations 6-PUL , 6-CITY and 6-PAN to electric multiple units built to work the routes between London and Brighton , West Worthing and Eastbourne .
The Southern Railway ( SR ) gave the designations 6Pul , 6Cit and 6Pan to electric multiple units built to work the routes between London and Brighton , West Worthing and Eastbourne .