Show I VEflTl ATION s 0 l Following It I Hie corclinlon of the 10 Ore delivered ly Ur James K rtlmafe at the Church Unlvertlty on Mtaday evening The first part I ol the lecture apt cared In fall I evening1 Nrv J In connrcllon with our present lopte of air contamlntllou Ibe question of the tiled of Impure ill I upon I the 1J7 It rtltjerjl V bav au rtueeview brit aulliorltlct In tujiorl Inn view 1 Hint the bnallilni of foul air Ii l pro dueffv of n multifufof lilt 10 the flrtl plan r many l > elllo uletet are NIII bl tetra man llrfof uliui dLrdtrt ate common amoDit lilies who dwell In foul I air Oiiutti Itn li I a fug aunt result 01 lenlulog nutaminatet ate a al Ole > cerra nlMmt of nit throat tottltu I Urly TtMiVIWi Tim loiter re ulllng tlu lylhu brralhlng ol air ronltin looted trim the back flow troll ecwet bdt I I r It nnmionly known at sewet alt throat JencernlniC IU tymptomt Dr Park Irtiidon httailili It U mtrkil by great InlUinnialory iirelltncol IhlnII verr out I timfur inmrlo d rangmnt accompanied ny tverbeailaebanJ InlMiM I ileprtmilnn The tomfo return ol the body U otten 0t j inueh rtlml eertalnly I I net to a heliln prouorlloiiaio lo Ibe eevem yinptoni LuiihU law tenir raiure together with the In ono proelrailoii are oliaraelMlllf ci mne 1 HlMaMM rtaolllng from the entrant en-trant of MwerpolluleU air ur water lino the I IlittlH IlultMUetlicierreeiricdIitrderilbe breathing of foul air tends lo weaken all the bodily and mental tower 1 A lowly to subjected It I robbed of n 1 Urge ocelot lu vitlllr the Pteltr 10 I rrlt i h e irolIom all of dl e l lowered and the chanoit of mi Miljr tunciiiler totbo Influence of destruction very much lucretied 1 Iet mo call your attention to Mm authenllealed In I ttancet of III ellectn fiom flits cau ei Tho elf rememl11 1 or Ihe winter nf Iff I I lucid rnliKw + IU eveiem of doinetlo vru Illation In thai itountrr In I very prlmlilve I lllirilIM A traveler Ibm wu INI ehokwl I one night I br the 1 rloM aur hen or theIr the-Ir tlghl lithe I rhAtnbr In which heelepl with nil the n1e 1 meuibrrt iiniie ruiiir I 010 U comHItd 10 woke hli noel who prmir out nJt tod at Ibe mil pulliol a cork I train a knotbin in ha will ter A row 11I111111 I IM mid alttr 1115010 the mik wltlm ulihrr r luriie < > l tu bin tse0 On rho Imnrlnitlon of motlir tofu ratxl l AO well r0 Ignorant the Mine Mill wn ta Iw lereotyloI that the Irn puts uii ilull < r > leil air of IIMTMI hello HMD the brow uf loUnoy 0 the poppies r roterolat l ilMp 31 cloture the hl lunge and iirtulMxu a Uioillr 1000101 and iin 1 Ibotluwlt and llnkel ilitplng and i > w > kr no testy I xen i lljr Miiplonl lo deprlnelhoob 1 ouoClhDino l ripiiirou I tetersal l II l Mll lode Of What 1 WOO uiieihiiir r I lirMlbnllntutLii nowrlli of Ito gnat rtbuUpo uf Ibo uuiniu ruo a the iilbo I b001 bteiii ol ills UurlnKlbo Kngllih war In IndiA In the lint l wntury Ito jorxini wire ebui up In A room epiinwly 1 Urge enoucb to toll Them Ibo AI iiMmt romr l > y to narrow lrlndowa At tbo mil ft eliht hour iHTn ptriont remalne l alive and I rlln the wereln s motdeidntabtr000J11101 Tnlt prlwn U well called The IIiAOIe llol nftaleuua 1eroy relaiiw llml alter tin Will f Au lerlfl I SUO i Noon N-oon WNft euotlntot l0 0 arnrn wham an of them totiaholl In a few bourn Itiittupldcaplaln of the tlilp Lon0onderryduling 001111111 at non fur the botob iriion wen only 7 cable trot ol spire len for noli furra and III eta hoar W of Ibo p0an fer < ware deal Dr Stale The Ifdurtr torte leid numerous Muir IniUnoer nuollojj lof J Derby Dr Newell Dr Vouiuin Von Idlcu kofer Jlerauy tic Conlluulni lie inIJi uldr1 Vet how terribly nrnlectlul > re n groat tpnrtol iiKoklndtu Ilili prettlng 1 rtquliomoull Kortuntlely for ue rats Iulor cool build olltlnmdo their work Imiwrfactly and taco many it cretin Ihrouicli wblcli air may cuter our dwellltlg agalowt our knowledge 0d our conont Not alone In our dj meilla liabltatlout do we lay the felon datloni weakened lillnJi and buuiei l liyiucb unclean aluio < lierloiurround 1 I IIIKI tut In t + 10105 ofgottmetanomhly I In leilum boll and lid oath li 10507 In place of woriblp erected III the proleiied 1 lerTlceofRuJllnne ClranlN cola wti Ionic ago ranked neat to god linN It It I now regarded as a part of Kodllneii and what unclcanueu I win to t I more dlijuitlugor I mole illillucllTF ho 111111 In the air wo brealbtT lilt any wonder that congregations CO lo I tlrop within wild of aroloothat tuaytiaro been Ineplrod when the mri lilllo turruundluKi I boy mad Ilea soul deaf lo all reuin and truth Yot I have sot l In ilac iol wordily whore Hie lluhli could > tcirctly burn for want of lupportliii oiygen ArcliltrcU who plan public ilruoturei aro now generally capablo uiilerilandlngllio rwiulroniuutt In Ibo way ol Teulllatlon cod uiually they make adrqutlo prorUloni but rte Jaultore 0J ulcers In loiniedlalo charge of louse bulldlngi are prone to neleil awry facility and to doom Ibo auulenci tu a itillln and fllUiy lrnoiber > a IIIK uiuNBormccuiiiwi 1 uicrxH VKNTIIATION OOllllltUtee tbo hurt andrbaiitb must raollcal uf the illTMoni ul our iubeci Ve have to ptovi lle < I for the removal ol foul air and the Introduction of a fresh and bite I luiplj Iepoch only I of00ulllallou I In tnUienir that It I veulllitlon I I I propel i Ihtujli alttuiU liaro born iliAd lo iroilOo I clitmlcal means of ilrconi iluK tbu lout emanation mid 9f luppylnit oiyKeu to reMtibllili tbo I urll > such mtlbode liuHOVtr aiv uow very uerally abanJoutd eaoept on the very small tcalo of dITeri lull eta To veutllalo u room wo mint uonc forth ntrauc of rh air 1 I ror Ibo rgrcii of f ml 1 whilo a mnn nl PioTlnK toed crrai infttMii of air mug ro pnTbled Moil ryslemot1010111 I < lion del enJ upon otinnxta of lempra lure lo I tllect Ibu mueng of too air lody or umn tome morhaulnl ton lrlnoeeuoh M tot IUiM to drlvo sir law Ib reome thereby lotelngout lost alrrady trier or by iliaIng air turn tho rooiiii thereby teuUlnir lu I create 1 a vacuum In contofu Roo ol which oilier mr will enter Any 10 ir re ni eat Ills I room will etun a dub auco of Iho nlr protlucliiic currcult In I Keueritl llh trtiMeney of hoc warmer warm-er air 1 will U to floe Ilirii th eitld air mu1 All In Mine other pelt of Ibe room to mium the iiiulllbilum Air lu contact wild lue cold WAil or win low Ireomluf tpeniAcaiiy hweurl beeauM of tie eoulracllon In bulk IhUKh oolJ will Ink and III pret CUhw uf > uaii downward curronl lin der thece oonilltloin may be ehown by boiling n llfbled oandle aer Ibn wan orwlutiow An cm lent inelbod 01 irodueliixanupoMt I eunent whrrebj loul 1 air may be runoreJ row roonw n by oonelruolInK a tutllallDK Due alongside tno hMllm lion Tu warmlli from Ihu latter will HUM Inn Kent of the air In Ibo 011111111 flu air irooi lbe room moy then I uuue to I eloIse If uloulugo from the room Into Hie duea Iw iroiwrly I erranxed rttitll ouliiii iIrr Ion irdtlued with rrleler < wberely 1 the How Inward mil bo oautmllxl An objection lo Inn ue ol Mich HUM h lea oeDUrifd In the loMlblllty ol back ouileutr whereby eumke may be drawn Uowiiwrt from Ibo lop of the aJjannt lire rluo Into the mimt To gbtiato lucli dillloulty automatic valTiaihouhl be uwd In uuecllon within reKliten I A tlnipl form of I such valve It a shoot ef vllml tllk I or ot thin oil cloth hung liulile I too flue faitenidat the lot I > uoverlug too roll I liter 0nlni Muh a h1 will yiul l to any prnaure irom the room toward llle Hue but any current lutbeoppoilte I direction will cloee thn Hap a alntt the wll TII vilvMcuiilriictv4 I lo work DII Hi lame principle Hilt cenikln uf a bt of runl imiftd delicalrly eo at lo I retjioiHl tu I very ehapre0rula Iho Uillit tytleui of ventilation li I bated Ioo one of III loot inelhodt for removing foul air from room TIois riiuiretnitrite centiaiihfi running from the enllr folio lull ol the uulld IIILJ In etch room adjoining oivnlngi aleluWhole IIIthan bull Hearth 1I0r and near th cnllluetuoeor > mint with r < Ultri clod 1 valve 1 A stentIII I poUfI I the mlildl oftlie man and the boll from lull oauma vlolut upOMl current lUrctutlly apbraling I air Rom the ruumi An upimilM upplloiilou i H men In the Lyintn ventlUtor which ouutlil or too of elJllu leu AI the 101 of e tango pipe air In contact with inn Los becumee cooled 1 and couinU utly fallt through the plfe and more air follow Inlhli f way ehuu rout uot of freli air may U carried wnwtrd tid dltlrlluted over Iho bolt of f the tick lout detkt and In other email ways s oloIho 1 e device at alto HIM mat follow wire all Illuilratrl In the I lecture by drawing or nihlelt J Me rlnlilMl iniMiit ol vOecllbg lUo mo ve weut uf nlr bodlei ate iiiually > nicli nl apeu br I 1aui driven by itiain or ehctrlo oworaru now largely uitd one small teal they aiu set vn tables uJII II Onk an J the like I fur pruduiing local i cooling currenti In larger way they are erel < 1IIor lor I unclog large I volumet uf air through tuellueeot a bullJllI1 or for at IIIOK our from the lull 1 < 1luK to toot more enter Inauy system ventilation ample care hood to btitowed lu providing > botu au Inletaod an cutlet far air and 111 tin hilled of ODD ol three rtqulre menlo MM th rnir nf falllre la wee w-ee naiii atlvnipU With a roam e fllo In I Ihv grl + y oviicmj ol 0 voluminousnutrutli of air we are alit 10 IK I wnleinl Ultlnc air DoJ III way lou lhn houMln vrhalerer way llmiy peihapii through the oracke III the Blur Tram ntah l the bou and from otheriinalMii Murow Window and traotomt nay be utihitrd a > Rlolonl channel of Inlet and egre > but let lib renwnbereil that double paecw are nn < icl You will ere that mmatUy HluMitioj lnthlixi > rliiinli Take a lamp onlmoey provide n taucwr In whloh water tlanun half au Inch deep 11 lm In the tenor a tliort fin die lllit lj put Ibe limp ohlmney uvtrlbamudlf to that all entrann tutu Ih chimney from below 1 la I out oil bv ihnwit tjlu shun tlboelheoocUle It I exllniuUhml through link of air lo tuppoiltiioombuttlon t Now dlvld 1 theuir felt of lha chimney by 10 ieitin < 0 thin imp of mial wood or rardbturd Iwu rhaniHto alu now formed mud If Iho candlo be Aln lUhled It will rtnllnu la burn a bit or tmokloic piper held at the lop of Ile I chimney loviil an up current In 0100 paetKr ao1 I a down current In tho nlh rln I a very wide prej hue op finite vurrenl will utually ettabllih Ihtiiiiolvee I aa may the 401 rued let an outer door slat I r hyuoldlmr n iMirnlnir candle allernitely oar tho top and Illon of the dot opMilOf rUn ourrenlt will Iw tsveoledt l Ward the room at ilm bulbs and outward out-ward mute top if hraicraluie of f III room be hither I I Ihaii Mel I of the I euler truoii beif lu oppMlIn dlreo liont II HIM hilillone la revenod Itiadmltligalrliidwtlllucroomiotie thuuld bo taken Itt It becmnwillllut a Iwtore iMchlng Ihe II wiaml tint luty bacconu Unhid by diMeeting ho air upward at inn be don by hh vie K the lraili > mt atIb bottomand Mtiluic them 01 soth 0 angle 1 at luilrlvntli I air toward the oellluir Wludowt Ofened at the tp may lo I rovldd with a tlrlp of wrvd sotto aliuch an angle I Hlotipro rlinclined iipwtid liiy take ho plsce of bnum I ol glen I Unlluary window inliei may bo imtly op I > eiiid I the lower opening I llue J slopped lo prevent dtalt by tlrlp of boar air will 1 Ilion enter Ulweu I the I Mhetandby the upward dillocllou given the current will lend toward thorough dlirutlun IIU a pcpultr error thtt vooJ venllli I lion lionly I OMlUle I tlirourii I the uia uf eMwrat and txnilve apparalut With tJJulble wlnJowa and Iran some II I OMlhl to keep the air of uur rooint In a condition apprtslniallDR lurlly though the ouudiilotit ut each I dwilling may mtku Ibo problem of ventlltllni loninwliat 11011 l Th tutlectulhoiioheallugU clotely eon belled with Ibat uf vuullltllon but lh Ilinllt of our time forbid the trmtuicnt of that topic at iretvut |