questionedithistorytranslationsCurrent version This is the accepted version. added by Luca Biaggi Aug. 7, 2012, 9:22 a.m. By what were the first London Underground trains pulled? steam locomotivesdiesel locomotiveselectric locomotiveshorsesVentilation shafts at various points on the route allowed the engines to expel steam and bring fresh air into the tunnels. These shafts were sometimes hidden behind false facades, like the one in the photo (Leinster Gardens 23). The right-hand property is a fake.Luca BiaggiShare and bring new players to the game!0Very uninterestingToo difficultPoorly writtenIncorrect or questionableCorrect this question5Very interesting!reach: rather globalhistoryhistory of technicsLondonmetrotechnologyundergroundUnited KingdomVotes +5 Very interesting! globalquiz.org