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~ . _ '7 *hland ParkNeWS 4. VOL. l. 'IIHH "IIAIII’I-‘rl' Jim-Ll . I A "MIMI sow. l Inlu- tlIII main. and All In] [HI I- "ralI'I mum to LII», The II-ttm I‘ll ”m l" _. .M III... , AHJttIthl-‘lJ-t, III,.wI- \va M‘Iltll I ~ rn-IIlI~ Imw Iim I‘hti'to hrnr, III-- I .I.‘ l . WC “III .II. *X‘IrIlIIIIvc- "an For hun'nI.» . II. .I I may but, wwtmt “LI- _ \ Mu lIIIIIFfl I . MIA” It) It. - n In, RI-w I thln v- "lll tn ~ II.” (It hwln IIII‘I. anII l in} tllIIllil HI I It“. rt III ' .II I-lt -‘. y I! I‘ll) .I in out! ‘ )1er Imu- 1y I . Ilium. rmti no :I I... ..:i I)... - “In I.. he, All‘lll nIy laminate , “III-III),tannin-rum.1.: III-, , I m: -.I...~I I»: Info. .I- .. 4- M l town Mlli'ttlltl‘V'l'l IIImUII‘ - ’JII I' “I .I. my Int: .AM to, "3 l-I: I ’I I.m AN ll “hm. l tr‘u’ll" I It}! ' all In III-ta.- w MI In, In), {I vanin that nought III, I}. III,;.I:I r:- all )lut Me of I'VI Iy day \"I‘t If narh step in illlu . or shounr nu VlII'l“ Th, bolus,» trod, I ‘ 'ItI-I II I I. «III m .- Ir” In)” hour {2%, Tim I.- .ul‘um mun-Hind. , , I” “II HI] T. lit‘IlltZalt‘d to Mix lL \V. P lt Inn on a winter‘ s running» The run was getting low- . AIM o‘er the umtern hIIuI-ml. WM nprud s crimson glow. . The little floating IlouIllI-u Wen: almost golden bright, II‘IIIII- .- m the frozen trv-«tupl \VI-rI- l-stlIIII'. in crimson light. “in stool! III-forn'thu window ' ’ i» , ‘ _ I. Of It bright and plow-Inn! room. Amt look“ Infill the snowy cue-e, Now I‘iwh‘tn Mtuto Moot-I, _ The mother stommd hor sewing [you litwm‘ene toxin». \"liilo ("I-n the little I‘lIildrnn To look. did stoji their plays. . 7 And there In awe-«truck wouder‘ We watrlml tlIIwun sink low; “'hile tho silt-net) was ulthrokou {New by baby‘s happy I‘rIIVL, ~ I gut the glory hwl llupurtml AI: we gathered round tho/hoard, ( y Lint the inoui‘ry of tlist sunset , , LII ci’cry limit was stordd. ‘ ' . ' I .olin '1)\V)"1L was AND SCHOOL 151111.an s. .. 'l‘lllitlt HEATING Axn vuxrtmrtod. Inrn former article on .f‘ Suliurhnn L Architecture " I promised I). dissertation on “ thning and Ventilation," as of necessity dependent upon each other 'to form a thorough systI- -In. In a thorough built dwelling (ll' school lIOuse great care is usually taken to main: them tight against the ingfi‘fi of Cold. The) ' not unfrcqlicutly put in tight nir stoves or hot air furnaces to he It up with; and if the force of cirr; InnstaIII es comes I IIrrentu of cold air to rush through the unites of doors and wmdows to supply the neCI-ss oxI gen for combustion, to any nothing about the necessities for rIIstirIItgm, then the rubber weather atrinmun is! (tolled .in to and}, his skill to close IIll crevices ngainst ~fr()z~'lt nir. This having been 81'C()m-, plishwl, fltltl iIo particular Int-tins ofvcntilstion provided| 'lllGllLAND PARK, ILL, MARCll, lI~ III, .- ll I ~ narcotic poison. 187$ ,,.-., ._ llII- l)(l on :In- ntionI Il sys'wui l r war: ning the II lie-Ion“ s the tnutur ol Ill- lit" ILIlll li air III II room is lfl‘al|"‘ IIII-r ullll IIII-r aguin With mil tlw rI--|ui~III,I‘ addition of moisture and frt‘1ll currents oi air. Il< \Ulupttllt‘lll parts llt‘l'UHll' Ililath-«l ‘IllHlUll In at ‘lt‘lll'JI‘tl of its fu'l llli llII~ rm III Ill stow unI‘I- giving I-llI'I‘ls, and UIH Is and f'II'IIIII-Ir llt‘lllt“l air IIillioIJ :I F\." ll‘Hl of Ir III'. IIIu'I and I‘Hipuration. A loot air [ulnar-w :III IleI 1 I . in It a room IIIIhnI.t III-op r II-IItIlIItInII will me. all the lI "lily. .I tin-re Is “‘1 II I: t hilt III II III’.lIIII,t :t~ own (‘ll't nlatetln. Mn!1'1”":\IlIIlI.I\I-lI.Itl l‘l :Iir. .:'Itt‘.I.'."Il|I\’I)l) I *t‘l't't‘tl that at times the register \\.:.lIl .m-nIl to: tlI a vtr m} l. .I, “.H'lll alignnl then Mr :1 Jillilt‘ III. I ,lll'l.l‘.|,',: IIII lllHYll. 'l‘ltl‘ is II:;L.;:'I:'.~ .' the It Int of a H\‘:~i‘l|| ol'\ ll: rtlt‘ of .I.,. :.tilation l)\ “otlitn- -' III In IIlIItIvIII \IItluII itsI- -li whilst llll‘ IIir III tlII. :xttln‘ww :I. . mt .rvin Il: “rowing InIm Ind llltrlt"\ ti III I it! i“ I mi; l't inhale, In ulllil‘tllll‘lll'fi‘tll llII- llll‘rl'fls't‘l n‘ It l.: It All. (.illltllill‘ ltt‘l'i in the air \Vlllt‘ll llll‘ (Ian: II;II.‘~ m 1“.» roo,’n I-xhalv and the flattery \a'mr and an finial mattri thr Ian U“, by bolli the lIIII ’3 amount, Ill. l .«Ri I. lit!- lrl lll" l and skin has hm II IIIriIIoslI (allllllllthl ax trom twenty to null noxious \I’tll II, gimn oil Illtgx' forty Ulllit",“\' in t\\'I-IItI-III.II' hours. A'nl this VJP-Il" t'tlll tainstaninial mziltrr .\\‘lJ.lL‘l| sot-nip to nullify almost i'.n lllt“llfll(:l:y IIIIIIII llSTmllut‘l with the air. "l'lIrrel'ore- thi- necessity of Ventilation results from the nature Iii‘JlIe respiratp and vapory pl'Ut't'N( forming I‘ll In the gent-rial atmosphere this poison- llMlllt‘lll‘l-‘t constant but in’ a. proportion of l-‘lO’JU partV \‘I'lilL‘ll‘lS in that small proportion inoffensive and harIIIlI-ss; but when it is iiII-I'I-II-Ied t.) 2?) fold or om,- ilt‘r'I-I-nt. the air becomes depressing and injurious. Fruit .3 to H iwr cent. of this IlelI-‘II-I'iotw attn'IIiplII-rs renders it IlItIuI'roIIs to breathe. Jrotn 10 to 12 per Ient. Inaltes it sptedily destrudive ol lilI III the prom of respiration a full grown man draws into his i'liest about '20 cubic inches )Ith'tir; only (“it‘- lifth ofthix is oxygen,and nearly one-liall‘oilthis oxygen is coin-I-rted’into ,L'jtl‘bOLllC III-id. I “Allowing tilleen inspi rations per minute for a man he will ,v'niate about 300 cubic inches, or'nenrly one-sixthol' II cubic foot of Irttnov‘ [Iheric air, and this by miiifiliiig ,sz as it escapi s, with sweral times as much. renders. hy. Ia'rious SI ieniilic I-al- I-ulations, an average offiftecn cubic feet of air~unlit for restiirntion, which would vitiate in «less than five ltouis llII- entire air in :In’orllinarv sized chetiing rIioIn. _ 'l‘lIis theory/”and calculation applies to close, unvcntij, .lattfd ‘Ijonlpartmeutn. But"}furtIItIatI-ly the {defective worktnam‘liip of the house- carpenter and Ill-330“, by leI Min" creviIIs in the window frames and doors, fre- quI-IItlI IIllows us to escnpeufrotn sullocation, but not lIoIn its IlI- lI terious nth-Its upon our Hystcm. ‘ it Is from this cause that persons frequently get up in the morning: feeling unrefroslicd fI~oIn"'tlIeir sleep. llow lllllt'llfldlhlfllscvflnd misery arises from this cause it would he Ilillieultlo state with any degree of IiceuraI-y,becttuse the ezitiscs.I)l' bodily infirmity aid Iniselry are very coin- pliI-atcd. . all ‘hwllifil we have said . holds good in II dwelling, how much mortmti-I disastrous ell? cts in nu illy ventilated .sIlIool house, when: children and teachers are confined for EIII'I‘I-ssit'e hours. As an illustration tnke no ordinary district School room, say 2.3M) 2:4 by 30 to IlS'fei-t, and 12 feet ’ high, with 5'.) to 60 scholars, and allowing say l0. cubic feet. p*r tIIin- lllt' t'ur t'ut ll scholar us a minimum supply. Fifty seho'- . 1,. _.. .. -L..- -_ ). _ NC. ~12. arx would rmluire OUU cubic feel. per minute, of fresh Ill“, urit you IIllow filtcrn cubic feet per scholar it would re; quire 750 t‘ublt' feet per minute. A i room any 25 by 3’ ii‘t'l, I-ontatns 9984 cubic feet or air space. “'50 scholar. : require 730 cubic l-t't‘l (“d"ll per minute, or 45,000 cubic feet per lIourI thus requiring the renewal of the wholo Volume of the air II li'ule more than four and a half tIrnI-s per-hour, it will be observed that nothing short of II thorough a) MI-II‘I ui' hI-ntin'g and ventilation will accom- l \l I»'..~li tlw Ilrnirvd result, and any means of supplying l'nmli warm air must also provide tor the removalflof’flw l tonl tilt. and :It the same time avoid uupleusnntcurrcuhs. \ unil'ot'In diti'usion is also very necessary and thii cu- l;t‘.~l he III'coInplislch by II distrihutive system of tho IIIIlIIlI-anal of foul air \IlIiI-h must be positive and‘h‘t the limit )1“ (ll thI- r)Utl!, and ion) be a(eomplishcd by means- oi IIM’IIml laws Ititliout machinery, but by simple ducts, III IIN' rly a’m’ll it Il. » ‘ H the system In" Ventilation in 1) school room is riot thorough, a well t'tlllt'ILlA‘ll nose LI ono of the lwst deteeu tors. l‘tl‘n'Hl‘ Visiting a school from the fresh atmos- lllJ'l‘l' can at once (lt‘ttft't the want of ventilation, whilst the teacher and pupils may not he Conscious oi the putrid state (If the air they breathe. lls I-ll'et'ls are, however, developed by the irritability ol‘ the teachers and peevislIIn-ss of scholars. Meat.“ dcyression fre- iroently III'I-rpowers'hoth teacher and pnp‘il, and results it!" a lII-I‘tie llush of (ever or perhaps a hilious or III‘ri'mu attack. Such a routine wry-mow, t‘IIl‘I'tiuch week aftor week during school hours, is, no doubt, to u l‘IrIngtI-nt, the source from which tlm prevalence of scar ‘et fI-vc‘,r throat and lung diseases among children in our lage cities emanatés, which; it not resulting fatal- l}, not IIIIlrI-Itneutly neuken the lutr's or constitution permanently. « ‘ -\ - llaIinv considered tire ‘nntural condition of the atmos- phere, the necessity oi'nm‘intainin'v its purity uncontam- inuttd, in order, to pieservc our health, the question “ arises how can this be Iutcotnplished ? ol' dad I‘ I answer always by indirect radialion, either by steam or hot air fur? " naII- ldo not consider that it matters mutdi which; although many pérsons have a great preju’diic :1ng a hot air inmate-,9 on the ground that II red hot flip-pot burns the vital oxygen oi the :lii', and rende- inhale. In order to demonstrate that the air is not de ed of its oxygen by contact with the red- hot fire- got, Ptioul, , necessary to understand that it requires couwuon to ‘ 'extrm t the oxygen from the air. The atmoyheh ,u eon posed essentially at two guess in I state fl/mcclmn icalntixture, named oxywen and nitrogen. 0ku sup- portscombustion and life, whilst: nitrogen @ idcrt; suI port-I neither lr do I-otiibustionl The profition: pt which these t’ it” In al bodies are mingled are Imeof‘ oxygen td‘fiiur ' rogeb. I ‘ PreImII-ly what the cli'eI-t of Ted hot Iron is upon air or persons is not fully delerlnined. Authorities difief, and -nIuI-h Is said with but little warrant but us the effect II no slight it is oi" no praet tit'nl importame We must ad- Init that the iron itself‘isnn II state or, Ihulticin in or- der to unite with the oxygen, and it teq the oxygen to 82 of the mm to entirely. consume a fur- IIIII-o III that weight of Iron, or all the oxygen £11800“ cubic feet of air. Consequently a fortune? of if completely burned " fiOOduyl, would ‘I‘onsu‘me all cubic feet or air per Fay, and it would require 19 web furnaces to burn the oxygen of , the air ".3, Tut u n single pair of human lungs Could do. lllt' 'ahove weight, ' ”“32 parts of ‘