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Chapter 11. The Nautilus

           Itwasdividedintotwoparts;thefirstcontainedthematerialsforproducingelectricity,andthesecondthemachinerythatconnecteditwiththescrew.Iexamineditwithgreatinterest,inordertounderstandthemachineryoftheNautilus.

           "Yousee,"saidtheCaptain,"IuseBunsen’scontrivances,notRuhmkorff’s.Thosewouldnothavebeenpowerfulenough.Bunsen’sarefewerinnumber,butstrongandlarge,whichexperienceprovestobethebest.Theelectricityproducedpassesforward,whereitworks,byelectro-magnetsofgreatsize,onasystemofleversandcog-wheelsthattransmitthemovementtotheaxleofthescrew.Thisone,thediameterofwhichisnineteenfeet,andthethreadtwenty-threefeet,performsabout120revolutionsinasecond."

           "Andyougetthen?"

           "Aspeedoffiftymilesanhour."

           "IhaveseentheNautilusmanoeuvrebeforetheAbrahamLincoln,andIhavemyownideasastoitsspeed.Butthisisnotenough.Wemustseewherewego.Wemustbeabletodirectittotheright,totheleft,above,below.Howdoyougettothegreatdepths,whereyoufindanincreasingresistance,whichisratedbyhundredsofatmospheres?Howdoyoureturntothesurfaceoftheocean?Andhowdoyoumaintainyourselvesintherequisitemedium?AmIaskingtoomuch?"

           "Notatall,Professor,"repliedtheCaptain,withsomehesitation;"sinceyoumayneverleavethissubmarineboat.Comeintothesaloon,itisourusualstudy,andthereyouwilllearnallyouwanttoknowabouttheNautilus."

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