isy ▁f uss ▁out ▁of ▁all ▁proportion ▁to ▁its ▁size ▁the ▁engine ▁gives ▁a ▁j erk ▁- ▁and ▁starts .[ .... ] ▁No ▁special ▁mechanical ▁device ▁such ▁as ▁a ▁ra ck ▁is ▁employed ▁- ▁unless , ▁indeed , ▁one ▁can ▁so ▁describe ▁the ▁squ at ▁and ▁st olid ▁hill - man ▁who ▁s its ▁per ched ▁over ▁the ▁forward ▁buff ers ▁of ▁the ▁engine ▁and ▁sc at ters ▁sand ▁on ▁the ▁rails ▁when ▁the ▁whe els ▁of ▁the ▁engine ▁lose ▁their ▁g rip ▁of ▁the ▁met als ▁and ▁race , ▁with ▁the ▁noise ▁of ▁a ▁giant ▁spring ▁running ▁down ▁when ▁the ▁control ▁has ▁been ▁removed . ▁Sometimes ▁we ▁cross ▁our ▁own ▁track ▁after ▁comple ting ▁the ▁circuit ▁of ▁a ▁cone , ▁at ▁others ▁we ▁z ig z ag ▁backwards ▁and ▁for wards ; ▁but ▁always ▁we ▁clim b ▁at ▁a ▁steady ▁gradient ▁- ▁so ▁steady ▁that ▁if ▁one ▁emb arks ▁in ▁a ▁t rol ley ▁at ▁Gh um , ▁the ▁highest ▁point ▁on ▁the ▁line , ▁the ▁initial ▁push ▁supplies ▁all ▁the ▁energy ▁necessary ▁to ▁carry ▁one ▁to ▁the ▁bottom ." ▁ ▁The ▁trip ▁up ▁to ▁Dar je eling ▁on ▁the ▁Dar je eling ▁H imal ay an ▁Railway ▁has ▁changed ▁little ▁since ▁that ▁time , ▁and ▁continues ▁to ▁delight ▁trav ellers ▁and ▁rail ▁enthus iast s , ▁so ▁much ▁so ▁that ▁it ▁has ▁its ▁own ▁pres ervation ▁and ▁support ▁group , ▁the ▁Dar je eling ▁H imal ay an ▁Railway ▁Society . ▁ ▁The ▁Operation ▁of ▁Dar je eling ▁H imal ay