ButthissamesummersawthereturntoEnglandofHenryCoxwell，andforsomeyearsthestoryoftheconquestoftheairisbesttoldbyfollowinghisstirringcareer，andhisowncommentsonaeronauticaleventsofthisdate。Wefindhimshortlysettingaboutcarryingoutsomereconnoitringandsignallingexperiments，designedtobeofuseintimeofwar。
Thiswasanoldideaofhis，andonewhichhad，ofcourse，beenlongentertainedbyothers，having，indeed，beenputtosomepracticaltestintimeofwarfare。Itwillbewelltomakenoteofwhatattentionthematterhadalreadyreceived，andofwhatprogresshadbeenmadebothintheoryandpractice。
WehavealreadymadesomementioninChapterIV。oftheusewhichtheFrenchhadmadeofballoonsintheirmilitaryoperationsattheendoftheeighteenthandbeginningofnineteenththecentury。Itwas，indeed，withinthefirsttenyearsafterthefirstinventionoftheballoonthat，underthesuperintendenceofthesavantsoftheFrenchAcademy，apracticalschoolofaeronauticswasestablishedatMeudon。ThenamesofGuyton，DeMorveau（adistinguishedFrenchchemist），andColonelCoutellearechieflyassociatedwiththemovement，andunderthemsomefiftystudentsreceivednecessarytraining。
Thepractisingballoonhadacapacityof17，000cubicfeet，andwasinflatedwithpurehydrogen，madebywhatwasthenanewprocessasappliedtoballooning，andwhichwillbedescribedinafuturechapter。Itappearsthattheballoonwaskeptalwaysfull，sothatanyopportunityofcalmweatherwouldbetakenadvantageofforpractice。Anditisfurtherstatedthataballoonwasconstructedsosoundandimperviousthatafterthelapseoftwomonthsitwasstillcapable，withoutbeingreplenished，ofraisingintotheairtwomen，withnecessaryballastandequipment。ThepracticaltrialfortheballooninrealservicecameoffinJune，1794，whenCoutelleinperson，accompaniedbytwostaffofficers，inoneofthefourballoonswhichtheFrenchArmyhadprovided，madeanascenttoreconnoitretheAustrianforcesatFleurus。Theyascendedtwiceinoneday，remainingaloftforsomefourhours，and，ontheirsecondascentbeingsighted，drewabriskfirefromtheenemy。Theywereunharmed，however，andthesuccessfulterminationofthebattleofFleurushasbeenclaimedasdueinlargemeasuretotheservicerenderedbythatballoon。
TheextraordinaryfactthattheuseoftheballoonwasformanyyearsdiscontinuedintheFrenchArmyisattributedtoastrangelysuperstitiousprejudiceentertainedbyNapoleon。LasCases（inhis\"PrivateLifeofNapoleonatSt。Helena\"）
relatesanalmostmiraculousstoryofNapoleon’scoronation。
Itappearsthatasumof23，500francswasgiventoM。Garnerintoprovideaballoonascenttoaidinthecelebrations，and，inconsequence，acolossalmachinewasmadetoascendat11p。m。
onDecember16thfromthefrontofNotreDame，carrying3，000
lights。Thisballoonwasunmanned，andatitsdepartureapparentlybehavedextremelywell，causinguniversaldelight。
Duringthehoursofdarkness，however，itseemstohaveacquitteditselfinastrangeandwell—nighpreternaturalmanner，foratdaybreakitissightedonthehorizonbytheinhabitantsofRome，andseentobecomingtowardstheircity。
Sotruewasitscoursethat，asthoughwithpredeterminedpurpose，itsailsontillitispositivelyoverSt。Peter’sandtheVatican，when，itsmissionbeingapparentlyfulfilled，itsettlestoearth，andfinallyendsitscareerintheLakeBracciano。Regardedfromwhateverpointofview，theflightwascertainlyextraordinary，anditisnotsurprisingthatinthatageitwasregardedasnothinglessthanaportent。
Moreover，littledetailsofthewonderfulstorywerequicklyendowedwithgravesignificance。Theballoononreachingthegroundrentitself。Next，ereitplungedintothewater，itcarefullydepositedaportionofitscrownonthetombofNero。
Napoleon，onlearningthefacts，forbadethattheyshouldeverbereferredto。Further，hethenceforwarddiscountenancedtheballooninhisarmy，andtheestablishmentatMeudonwasabandoned。
ThereisrecordofanattemptofsomesortthatwasmadetorevivetheFrenchmilitaryballooningschoolintheAfricancampaignof1830，butitwasbarrenofresults。Again，ithasbeenstatedthattheAustriansusedballoonsforreconnaissance，beforeVenicein1849，andyetagainthesamethingisrelatedoftheRussiansatthetimeofthesiegeofSebastopol，thoughKinglakedoesnotmentionthecircumstance。
In1846WisedrewupandlaidbeforetheAmericanWarOfficeanelaborateschemeforthereductionofVeraCruz。Thiswillbediscussedinitsdueplace，thoughitwillbedoubtlessconsideredaschimerical。
Ontheotherhand，eminentlypracticalweretheexperimentsco—ordinatedandbeguntobeputtoanactualtestbyMr。
Coxwell，who，beforehecoulddulyimpresshisprojectuponthemilitaryauthorities，hadtomakepreliminarytrialsinprivateventures。TheearliestofthesewasattheSurreyZoologicalGardensintheautumnof1854，anditwillbegrantedthatmuchingenuityandoriginalityweredisplayedwhenitisconsideredthatatthatdateneitherwirelesstelegraphy，electricflashlight，norevenMorseCodesignallingwasinvogue。
Accordingtohisannouncement，thespectatorsweretoregardhisballoon，captiveorfree，asfloatingatacertainaltitudeoverabeleagueredfortress，theauthoritiesincommunicationwithithavingthekeyofthesignalsandseekingtoobtainthroughthesemeansinformationastotheapproachofanenemy。
Itwastobesupposedthat，bytheaidofglasses，avastdistancearoundcouldbesubjectedtocarefulscrutiny，andaconstantcommunicationkeptupwiththeauthoritiesinthefortress。Further，theflagsorothersignalsweresupposedpreconcertedandunknowntotheenemy，beingformedbyvariationsofshapeandcolour。Pigeonswerealsodespatchedfromaconsiderableheighttotesttheirefficiencyundernovelconditions。Thepublicpresscommentedfavourablyontheperformanceandresultofthisinitialexperiment。
Mr。Coxwell’saccountofanoccasionwhenhehadtotryconclusionswithaveryboisterouswind，andofthewayinwhichhenegotiatedaverytryinganddangerouslanding，willbefoundalikeinterestingandinstructive。ItwasanascentfromtheCrystalPalace，andthemorningwasfairandofbrightpromiseoutwardly;butCoxwellconfessestohavedisregardedafallingglass。Theinflationhavingbeenprogressingsatisfactorily，heretiredtopartakeofluncheon，entirelyfreefromapprehensions;butwhilethusoccupied，hewaspresentlysoughtoutandsummonedbyagardener，whotoldhimthathisballoonhadtornaway，andwasnowcompletelyoutofcontrol，dragginghismenaboutthebushes。Onreachingthescene，themen，ingreatstrength，wereabouttoattemptamorestrenuousefforttodragtheballoonbackagainstthewind，whichCoxwellpromptlyforbade，warningthemthatsotheywouldtearalltopieces。Hethencommenced，asitwere，to\"takeinareef，\"bygatheringintheslackofthesilk，whichchieflywascatchingthewind，andbydrawinginthenet，meshbymesh，untilthemoreinflatedportionoftheballoonwasleftsnugandofferingbutlittleresistancetothegale，whenhegotherdraggedinadirectionslantingtothewindandundertheleeoftrees。
Eventuallyahazardousanddifficultdeparturewaseffected，Mr。Chandler，apassengeralreadybooked，insistingonaccompanyingtheaeronaut，inspiteofthelatter’sstrongestprotestations。Andtheirfirstperilcamequickly，inanearshaveoffoulingthebalconyoftheNorthTower，whichtheyavoidedonlybyapromptdischargeofsand，thecrowdcheeringloudlyastheysawhowthecrisiswasavoided。Thecar，addsMr。Coxwellinhismemoirs，\"wasapparentlytrailingbehindtheballoonwithapendulousswing，whichisnotoftenthecase……
Inlessthantwominutesweenteredthelowerclouds，passingthroughthemquickly，andnoticingthattheirtops，whichareusuallyofwhite，roundedconformation，weretornintoshredsandcrestsofvapour。Above，therewasasecondwild—lookingstratumofanotherorder。Wecouldhear，aswehastenedon，thehumoftheWestEndofLondon;butwewerebowlingalong，havinglittletimetolookaboutus，thoughsomeextrasandbagswereturnedtogoodaccountbymakingabedofthematthebottomendsofthecar，whichweoccupiedinanticipationofaroughlanding。\"
Asitcameontorainhardthevoyagersagreedtodescend，andCoxwell，choosingopenground，succeededintheoft—attemptedendeavourtodrophisgrapnelinfrontofabankorhedge—row。
Theballoonpulledupwithsuchashockasinevitablyfollowswhenflyingatsixtymilesanhour，andMr。Coxwellcontinues:
——\"Wewereatthistimesuspendedlikeakite，anditwasnotsomuchthequantityofgaswhichkeptusupasthehollowsurfaceofloosesilk，whichactedlikeafallingkite，andtheobviousgameofskillconsistedinnotlettingouttoomuchgastomaketheballoonpitchheavilywithathudthatwouldhavebeenawfullyunpleasant;buttojockeyourfinaltouchinagradualmanner，andyettodoitasquicklyaspossibleforfearofthemachinegettingadrift，since，underthepeculiarcircumstancesinwhichwewereplaced，itwouldhaveinevitablyfallenwithacrushingblow，whichmighthaveprovedfatal。Ineverremembertohavebeeninasituationwhenmorecoolnessandnicetywererequiredtoovercometheperilwhichherebesetus;whileonthatdaythestrongwindwas，strangeasitmaysound，helpingustoalighteasily，thatistosayaslongasthegrapnelheldfastandtheballoondidnotturnoverlikeanunsteadykite。\"
Suchperilastherewassoonterminatedwithoutinjurytoeithervoyager。
ThesameremarkwillapplytoanoccasionwhenCoxwellwascaughtinathunderstorm，whichhethusdescribesinbrief:——\"OnasecondascentfromChesterfieldwewerecarriedintothemidstofgatheringclouds，whichbegantoflashvividly，andintheendculminatedinastorm。Therewereindications，beforewelefttheearth，astowhatmightbeexpected。Thelowerbreezetookusinanotherdirectionaswerose，butagentle，whirlingcurrenthigherupgotusintothevortexofahighlychargedcloud……Wehadtoprovebyabsoluteexperiencewhethertheballoonwasinsulatedandanon—conductor。Beyondadrenching，nountowardincidentoccurredduringavoyagelastinginallthree—quartersofanhour。\"
AvoyagewhichCoxwell（referring，doubtless，toaerialtraveloverEnglishsoilonly）describesas\"beingsoverymuchinexcessofaccustomarytripsinballoons\"willbeseentofallshortofonememorablevoyageofwhichthewriterwillhavetogivehisownexperiences。Someaccount，however，ofwhatthefamousaeronauthastotellwillfindafittingplacehere。
ItwasanascentonasummernightfromNorthWoolwich，andonthisoccasionCoxwellwasaccom—paniedbytwofriends，onebeingHenryYouens，whosubsequentlybecameaprofessionalballoonistofconsiderablerepute，andwhoatthistimewasanardentamateur。Itwashalfanhourbeforemidnightwhenthepartytooktheirplaces，and，gettingsmartlyawayfromthecrowdinthegalagrounds，shotovertheriver，andshortlywereoverthetownofGreenwichwiththelightsofLondonwellahead。ThentheircoursetookthemoverKenningtonOval，VauxhallBridge，andBattersea，whentheypresentlyheardthestrainsofaScotchpolka。ThiscameupfromthethenfamousGardensofCremorne，and，thebreezefreshening，itwasbutafewminuteslaterwhentheystoodoverKingston，bywhichtimeitbecameaquestionwhether，beingnowclearofLondon，theyshoulddescendorelseliveoutthenightandtakewhatthusmightcometheirway。Thiscourse，asthemostprudent，aswellasthemostfascinating，wasthatwhichcommendeditself，andatthatmomentthehourofmidnightwasheardstriking，showingthatafairlylongdistancehadbeencoveredinashortintervaloftime。
Fromthisperiodtheywouldseemtohavelosttheirway，andthoughscatteredlightsweresightedahead，theyweresoonindoubtastowhethertheymightnotalreadybenearingthesea，adoubtthatwasstrengthenedbytheirhearingthecryofsea—fowl。Afterapause，lightswereseenloomingunderthehazetosea—ward，whichattimesresembledwater;andataillikethatofacometwasdiscerned，beyondwhichwasablackpatchofconsiderablesize。
ThepatchwastheIsleofWight，andthetailtheWaterfromSouthampton。Theywerethuswearingmoresouthandtowardsdanger。TheyhadnoDavylampwithwhichtoreadtheiraneroid，andcouldonlytellfromtheupwardflightoffragmentsofpaperthattheyweredescending。Anotherdeficiencyintheirequipmentwasthelackofatrailropetobreaktheirfall，andforsometimetheywereunderunpleasantapprehensionofanunexpectedandrudeimpactwiththeground，orcollisionwithsomeundesirableobject。Thisinducedthemtodischargesandandtorisktheconsequencesofanotherriseintospace，andastheymountedtheywerenotreassuredbysightingtothesoutharidgeoflightercolour，whichstronglysuggestedthecoastline。
Butitwasmidsummer，anditwasnotlongbeforebirdlifeawakeningwasheardbelow，andthenastreakofdawnrevealedtheirlocality，whichwasovertheExe，withSidmouthandTorBayhardbyontheirleft。Thenfromhere，thelandjuttingseawards，theyconfidentlytraversedDartmoor，andeffectedasafe，ifsomewhatunseasonable，descentnearTavistock。Thedistancetravelledwasconsiderable，buttheduration，ontheaeronaut’sownshowing，waslessthanfivehours。
Intheyear1859theTimescommentedontheusefulnessofmilitaryballoonsinlanguagethatfullyjustifiedallthatCoxwellhadpreviouslyclaimedforthem。Awarcorrespondent，whohadaccompaniedtheAustrianArmyduringthatyear，askspertinentlyhowithadhappenedthattheFrenchhadbeenreadyatsixo’clocktomakeacombinedattackagainsttheAustrians，who，ontheirpart，hadbutjusttakenuppositionsonthepreviousevening。Thecorrespondentgoesontosupplytheanswerthus:——\"NosoonerwasthefirstAustrianbattalionoutofVallegiothanaballoonwasobservedtoriseintheairfromthevicinityofMonsambano——asignal，nodoubt，fortheFrenchinCastiglione。IhaveafullconvictionthattheEmperoroftheFrenchknewovernighttheexactpositionofeveryAustriancorps，whiletheEmperorofAustriawasunabletoascertainthenumberordistributionoftheforcesoftheallies。\"
ItappearsthatM。Godardwastheaeronautemployedtoobservetheenemy，andthatfreshballoonsfortheFrenchArmywereproceededwith。
ThedatewasnownearathandwhenCoxwell，inpartnershipwithMr。Glaisher，wastotakepartintheclassicalworkwhichhasrenderedtheirnamesfamousthroughouttheworld。Beforeproceedingtotellofthatperiod，however，Mr。Coxwellhasdonewelltorecordoneaerialadventure，which，whilebutnarrowlymissingthemostseriousconsequences，givesaverypracticalillustrationofthechancesinfavouroftheaeronautunderextremecircumstances。
ItwasanascentatCongletoninagaleofwind，aandthecompanyoftwopassengers——Messrs。Pearson，ofLawtonHall——waspresseduponhim。Everythingforetoldaroughlanding，andsometimeafterthestartwasmadetheoutlookwasnotimprovedbythefactthatthedreadedcountyofDerbyshirewasseenapproaching;anditwaspresentlyapparentthatthespotonwhichtheyhaddecidedtodescendwasfacedbyrocksandaformidablegorge。Onthis，Coxwellattemptedtodrophisgrapnelinfrontofastonewall，andsofarwithsuccess;butthewallwentdown，asalsoanotherandanother，thewickercarpassing，withitsgreatimpetus，cleanthroughthesolidobstacles，tillatlasttheballoonslitfromtoptobottom。
Veryseriousinjuriestoheadsandlimbsweresustained，butnoliveswerelost，andCoxwellhimself，afterbeinglaidupatBuxton，gothomeoncrutches。
CHAPTERXIII。SOMENOTEWORTHYASCENTS。
Itwastheyear1862，andthescientificworldinEnglanddeterminedonceagainonattemptingobservationalworkinconnectionwithballoons。TherehadbeenameetingoftheBritishAssociationatWolverhampton，and，undertheirauspices，andwiththeprofessionalservicesofThomasLythgoe，Mr。Creswick，ofGreenwichObservatory，wascommissionedtomakealoftyscientificascentwithaCremorneballoon。Theattempt，however，wasunsatisfactory;andtheballoonbeingcondemned，anapplicationwasmadetoMr。Coxwelltoprovideasuitablecraft，andtoundertakeitsmanagement。TheprincipalsoftheworkingcommitteewereColonelSykes，M。P。，Dr。Lee，andMr。JamesGlaisher，F。R。S。，andashortconferencebetweenthesegentlemenandtheexperiencedaeronautsoonmadeitclearthatamammothballoonfarlargerthananyinexistencewasneededfortheworkinhand。Buthereafatalobstaclepresenteditselfinlackoffunds，forittranspiredthatthegrantvotedwasonlytobedevotedtotrialascents。
ItwasthenthatMr。Coxwell，withcharacteristicenterprise，undertook，athisowncost，tobuildasuitableballoon，and，moreover，tohaveitreadybyMidsummerDay。Itwasabold，aswellasagenerous，offer;foritwasnowMarch，and，accordingtoMr。Coxwell’sstatement，ifsilkwereemployed，thepreparationandmanufacturewouldoccupysixmonthsandcostnotlessthanL2，000。ThefabricchosenwasasortofAmericancloth，andbyunremittingeffortsthetaskwasperformedtotime，andtheballoonforwardedtoWolverhampton，itsdimensionsbeing55feetindiameter，80feetinheightfromtheground，withacapacityof93，000cubicfeet。ButthebestfeatureinconnectionwithitwasthefactthatMr。Glaisherhimselfwastomaketheascentsasscientificobserver。
Notimewaslostingettingtowork，buttwiceoverthechosendayswereunsuitable，anditwasnottillJuly17ththatthetwocolleagues，ofwhomsomuchistobetold，gotawayat9。30
a。m。withtheirballoononlytwo—thirdsfull，toallowofexpansiontotakeplaceinsuchaloftyascentaswascontemplated。And，whenitisconsideredthatanaltitudeoffivemileswasreached，itwillbegrantedthatthescientificgentlemanwhowasmakinghismaidenascentthatdayshowedremarkableenduranceandtenacityofpurpose——theall—importantessentialfortheonerousandtryingworkbeforehim。At9。56
theballoonhaddisappearedfromsight，climbingfarintotheskyintheE。N。E。ThestoryofthevoyagewemustleaveinMr。
Glaisher’shands。Certainevents，however，associatedwithotheraeronauts，whichhadalreadyhappened，andwhichshouldbeconsideredinconnectionwiththenewdramanowtobeintroduced，mayfittinglyheremeetwithbriefmention。
Thetroublearisingfromthecoastingacrosscountryofafallenandstillhalf—inflatedballoonhasalreadybeensufficientlyillustrated，andneedslittlefurtherdiscussion。
Itiscommonenoughtoseeaballoon，whenfullandround，strugglingrestivelyunderamoderatebreezewithascoreofmen，anddraggingthem，andnearatonofsand—bagsaswell，aboutthestartingground。But，ashasalreadybeenpointedout，thepowerofthewindontheglobeisvastlyincreasedwhenthesilkbecomesslackandformsahollowtoholdthewind，likeabellyingsail。Variousmeanstodealwiththisdifficultyhavebeendevised，oneofthesebeinganemergency，orrippingvalve，inadditiontotheordinaryvalve，consistingofanarrangementfortearingalargeopeningintheupperpartofoneofthegores，sothatonreachingearththeballoonmaybeimmediatelycrippledandemptiedofsolargeaquantityofgasastorenderdraggingimpossible。Suchamethodisnotaltogetherwithoutdrawbacks，oneofthesebeingtheconfusionliabletoarisefromtherebeingmorethanonevalvelinetoreckonwith。Toobviatethis，ithasbeensuggestedthattheemergencylineshouldbeofadistinctivecolour。
Butanexperimentwithasafeguardtosomewhatofthisnaturewasattendedwithfatalconsequenceintheyear1824。AMr。
Harris，alieutenantintheBritishNavy，ascendedfromtheEagleTavern，CityRoad，withaballoonfittedwithacontrivanceofhisowninvention，consistingofalargehingeduppervalve，havingwithinitasmallervalveofthesamedescription，theideabeingthat，shouldtheoperationofthesmalleroutletnotsufficeforanyoccasion，thentheshutterofthelargeropeningmightberesortedto，toeffectamoreliberaldischargeofgas。
Mr。Harristookwithhimayounglady，MissStocksbyname，andapparentlytheafternoon——itbeinglateMay——wasfavourableforanaerialvoyage;for，withfullrelianceonhisapparatus，helefthisgrapnelbehind，andwascontentwithsuchassistanceasthegirlmightbeabletorenderhim。Itwasnotlongbeforetheballoonwasfounddescending，andwitharapiditythatseemedsomewhattodisturbtheaeronaut;andwhen，afterare—ascent，effectedbyadischargeofballast，anotherdecideddownwardtendencyensued，Mr。Harrisclearlyrealisedthatsomethingwaswrong，without，however，diviningthecause。Thestorysubsequentlytoldbythegirlwastotheeffectthatwhentheballoonwasdescendingthesecondtimeshewasspokentobyherunfortunatecompanioninananxiousmanner。\"Ithenheardtheballoongo’Clap！clap！’andMr。
Harrissaidhewasafraiditwasbursting，atwhichIfainted，andknewnomoreuntilIfoundmyselfinbed。\"Agamekeepertellsthesequel，relatingthatheobservedtheballoon，whichwasdescendingwithgreatvelocity，strikeandbreaktheheadofanoaktree，afterwhichitalsostrucktheground。
Hurryingup，hefoundthegirlinsensible，andMr。Harrisalreadydead，withhisbreastboneandseveralribsbroken。
TheexplanationoftheaccidentgivenbyMr。EdwardSpencerisalikeconvincingandinstructive。Thiseminentlypracticalauthoritypointsoutthatthevalvelinesmusthavebeenmadetauttothehoopatthetimethattheballoonwasfullandglobular。Thus，subsequently，whenfromdiminutionofgastheballoon’sshapeelongated，thevalvelinewouldbecomestrainedandbegintoopenthevalve，butinsuchagradualmannerastoescapethenoticeoftheaeronaut。MissStocks，farfrombeingunnervedbytheterribleexperience，actuallymadethreesubsequentascentsincompanywithMr。Green。
Itdeservesmentionthatanotherdisaster，equallyinstructive，buthappilynotattendedwithlossoflife，occurredinDublinin1844toMr。Hampton，whoaboutthistimemadeseveralpublicandenterprisingvoyages。Heevidentlywaspossessedofadmirablenerveanddecision，anddidnothesitatetomakeanascentfromthePorto—BelloGardensinfaceofstrongwindblowingsea—wards，andinspiteofmanyprotestationsfromtheonlookersthathewasplacinghimselfindanger。Thisdangerhefullyrealised，moreparticularlywhenherecognisedthattheheadlandonwhichhehopedtoalightwasnotinthedirectionofthewind’scourse。Resolved，however，ongratifyingthecrowd，Mr。Hamptonascendedrapidly，andthenwithequalexpeditioncommencedaprecipitatedescent，whichheaccomplishedwithskillandwithoutmishap。Butthewindwasstillboisterous，andtheballoonspedonwardalongthegroundtowardsfreshdangerunforeseen，andperhapsnotdulyreckonedwith。Aheadwasacottage，thechimneyofwhichwasonfire。
Aballoonistinthesecircumstancesisapttothinklittleofasinglesmallobjectinhisway，knowinghowmanyarethechancesofmissingorofsuccessfullynegotiatinganysuchobstacle。Thewriterononeoccasionwas，inthejudgmentofonlookersbelow，driftingindangerousproximitytotheawfulCwmavonstackinGlamorganshire，theninfullblast;yetitwasafactthatthatvastventofflameandsmokepassedalmostunheededbythepartyinthedescendingcar。Itmayhavebeenthus，also，withMr。Hampton，whoonlyfullyrealisedhisdangerwhenhisballoonblewup\"withanawfullygrandexplosion，\"andhewasreducedtotheextremityofjumpingforhislife，happilyescapingthemassofburningsilkandropes。
Theawfulpredicamentoffallingintothesea，whichhasbeenillustratedalready，andwhichwillrecuragaininthesepages，wasablyandsuccessfullymetbyMr。Cunningham，whomadeanafternoonascentfromtheArtilleryBarracksatClevedon，reachingSnakeIslandatnightfall，where，owingtothegatheringdarkness，hefeltconstrainedtoopenhisvalve。Hequicklycommenceddescendingintothesea，andwhenwithintenfeetofthewater，turnedthe\"detachingscrew\"whichconnectedthecarwiththeballoon。Theeffectofthiswasatoncetolaunchhimonthewaves，but，beingstillabletokeepcontroloverthevalve，heallowedjustenoughgastoremainwithinthesilktoholdtheballoonabovewater。Hethenbetookhimselftothepaddleswithwhichhiscraftwasprovided，andreachedSnakeIslandwiththeballoonintow。Hereheseemstohavefoundgooduseforafurtherportionofhisverycompleteequipment;for，lightingasignalrocket，hepresentlybroughtafour—oaredgigtohissuccourfromPortsmouthHarbour。
Theteachingoftheaboveincidentismanifestenough。Ifitshouldbecontemplatedtousetheballoonforseriousorlengthenedtravelanywherewithinpossiblereachofthesea—board——andthismustapplytoallpartsoftheBritishIsles——itmustbecomeawiseprecaution，ifnotanabsolutenecessity，toadoptsomeformofcarthatwouldbeofavailintheeventofafalltakingplaceinthesea。SufficientconfirmationofthisstatementwillbeshortlyaffordedbyamemorablevoyageaccomplishedduringthepartnershipofMessrs。
GlaisherandCoxwell，onewhichwouldcertainlyhavefoundthetravellersinfarlessjeopardyhadtheircarbeenconvertibleintoaboat。WehavealreadyseenhowessentialWiseconsideredthisexpedientinhisownbolderschemes，anditmayfurtherbementionedherethatmodernairshipshavebeendesignedwiththeintentionofmakingthewateraperfectlysafelanding。
Theballooningexploitswhich，however，wehavenowtorecounthadquiteanotherandmorespecialobjectconsistentlyinview——thatofscientificinvestigation;andwewouldherepremisethattheproperappreciationoftheseinvestigationswilldependonadueunderstandingoftheattendantcircumstances，asalsooftheconstantcharacteristicbehaviourofballoons，whetherdespatchedformeretravelorresearch。