StanleySpencerinthecar，shesailedgracefullydownthefootballfield，wheeledroundinacircle——asmallcircle，too——andforperhapsaquarterofanhoursailedatortuouscourseovertheheadsofasmallbutenthusiasticcrowdofspectators。Theshipwashandicappedtosomeextentbythefactthatintheiranxietytomakethetrialtheaeronautshadnotwaitedtoinflateitfully，butstillitdiditsworkwell，answereditshelmreadily，showednosignsofrolling，and，inshort，appearedtogiveentiresatisfactiontoeverybodyconcerned——somuchso，indeed，thatMr。StanleySpencerinformedthecrowdaftertheascentthathewasquitereadytotakeupanychallengethatM。SantosDumontmightthrowdown。\"
WithinafewweeksofthishisfirstsuccessMr。Spencerwasabletoprovetotheworldthathehadonlyclaimedforhismachinewhatitspowersfullyjustified。OnastillSeptemberafternoon，ascendingalone，hesteeredhisaerialshipinaneasyandgracefulflightoverLondon，fromtheCrystalPalacetoHarrow。
CHAPTERXXIX。CONCLUSION。
Thefuturedevelopmentofaerostationisnecessarilydifficulttoforecast。Havingrevieweditshistoryfromitsinceptionwehavetoallowthattheballooninitself，asaninstrumentofaeriallocomotion，remainspracticallyonlywhereitwas120
yearsago。Nor，inthenatureofthecase，isthistobewonderedat。Thewind，whichaloneguidestheballoon，isbeyondman’scontrol，while，asasourceofliftingpower，alighterandthereforemoresuitablegasthanhydrogenisnottobefoundinnature。