a the helmsman 's chair b left wing chair c right wing chair ( for mission specialist ) d yoke ( for altitude and wing-warping ) e pedals ( for rudder ) f device for looking behind you g fragment of omniscope h sphere of quicksilver ( to show ground level ) i wing winding handle j dragon blinkers handle k mirror array handle l salmon of thunder mirror release m salmon of thunder separation n dragon pod separation o device for slowing instantly p troba ( wing jettison , endeavour not to use ) q windscreen wiper r seat adjuster s prince haran 's tiller t whig capstan release u cup holders editor 's note : just like leonardo da vinci , leonard of quirm famously wrote backwards , a talent not unusual in left-handed people .