▁into ▁a ▁subs idi ary ▁works . ▁The ▁N ▁class ▁ 2 - 6 - 0 ▁locomot ive ▁was ▁first ▁constructed ▁at ▁Ash ford ▁in ▁ 1 9 1 7 , ▁using ▁a ▁design ▁by ▁Richard ▁Ma uns ell . ▁ ▁Southern ▁Railway ▁and ▁British ▁Rail ways ▁Following ▁the ▁grouping ▁of ▁the ▁SE CR ▁with ▁the ▁London , ▁Bright on ▁and ▁South ▁Coast ▁Railway ▁and ▁the ▁London ▁and ▁South ▁Western ▁Railway ▁to ▁form ▁the ▁Southern ▁Railway ▁on ▁ 1 ▁January ▁ 1 9 2 3 , ▁most ▁new ▁locomot ive ▁and ▁carriage ▁design ▁and ▁construction ▁was ▁transferred ▁to ▁both ▁Ash ford ▁and ▁East le igh ▁Works . ▁Ash ford ▁continued ▁to ▁operate ▁both ▁building ▁and ▁serv icing ▁locomot ives ▁and ▁w ag ons ▁until ▁well ▁after ▁the ▁national isation ▁of ▁the ▁rail ways ▁to ▁form ▁British ▁Rail ways ▁in ▁ 1 9 4 8 . ▁ ▁The ▁locomot ive ▁work sh ops ▁eventually ▁closed ▁on ▁ 1 6 ▁June ▁ 1 9 6 2 , ▁the ▁last ▁locomot ive ▁to ▁be ▁rep a ired ▁at ▁Ash ford ▁being ▁the ▁N ▁class - 2 - 6 - 0 ▁no . ▁ 3 1 4 0 0 ▁on ▁ 9 ▁June . ▁The ▁w agon ▁works ▁continued ▁for ▁a ▁further ▁two ▁dec ades ▁producing ▁contin ental ▁fer ry ▁v ans , ▁Fre ight lin er ▁vehicles , ▁mer ry - go - round ▁coal ▁ho pper ▁w ag ons ▁and ▁the ▁Cart ic 4 ▁art ic ulated ▁car ▁trans porter . ▁ ▁It ▁became ▁one