▁ 1 9 ▁( old ▁N H ▁ 2 ) ▁/ ▁Grand ▁Tr unk ▁Road . ▁ ▁References ▁ ▁Category : V ill ages ▁in ▁Haz ar ib agh ▁district <0x0A> </s> ▁The ▁London ▁Under ground ▁E ▁Stock ▁were ▁steel - b od ied ▁cars ▁built ▁for ▁the ▁London ▁Under ground ▁in ▁ 1 9 1 4 ▁by ▁the ▁Gl ouc ester ▁Railway ▁Car riage ▁and ▁W agon ▁Company . ▁ ▁Th irty ▁cars ▁were ▁built , ▁twenty - six ▁driving ▁motor ▁cars ▁and ▁four ▁tra ilers . ▁The ▁E ▁stock ▁was ▁based ▁on ▁the ▁earlier ▁C ▁Stock ▁and ▁D ▁Stock ▁but ▁differ ed ▁in ▁that ▁the ▁roof ▁was ▁elli pt ical ▁rather ▁than ▁the ▁cler est ory ▁roof ▁of ▁the ▁C ▁Stock ▁and ▁D ▁Stock . ▁ ▁In ▁the ▁ 1 9 4 0 s ▁the ▁C , ▁D ▁and ▁E ▁stock s ▁were ▁rec lass ified ▁as ▁" H ▁Stock " ▁( sign ifying ▁hand - oper ated ▁doors ), ▁along ▁with ▁other ▁pre - 1 9 3 8 ▁District ▁Line ▁rolling ▁stock ▁that ▁had ▁not ▁been ▁converted ▁to ▁have ▁air - oper ated ▁doors . ▁The ▁H ▁Stock ▁was ▁largely ▁elimin ated ▁by ▁the ▁early ▁ 1 9 5 0 s , ▁following ▁replacement ▁by ▁R ▁Stock . ▁The ▁remaining ▁cars ▁were ▁largely ▁conf ined ▁to ▁the ▁Olymp ia ▁sh utt le ▁service . ▁While ▁the ▁last ▁example ▁was ▁with dra wn ▁from ▁passenger ▁service ▁in ▁ 1 9 5 8 , ▁one ▁motor ▁car ▁was ▁used ▁as ▁a ▁"