1,632,427 noted that the forinatioit of the ivheel -witli a clisli iiot only iiis-Lir-es its ruiining trlie btit also adds gi,eatly to its ri(yiditi, and s-tieiio,tli. It should be notecl ftirthei.@ that the iiiiiiabe-ti@ of t'ilf,, thiiiiier layei,s niili:liig up the outside hIleMI)erS 3 of '-I-le Illt L )T be vai,ied@ tvllo beiii(,. stil@icieiit. Tlie, (,-i,aiii@ of these layers are ai-i@.ii-io-ed pi,e:ferably ,tt i-io'lit an(-Ies to e,icli otiler wbether ti-vo or li'lore of 'Uheiii are 1( used. I el,-tim 1. A dish-ed @vooden disk for vehiclie Nvheels haviiio, a f4,,tt ceiiti@al ortion ,i,nd aii p aniiular reversely curved zone stiri-otinding i5 said central portion there beiiig a, blocl,- secui-ed to the ivheel oii the coiivex side of the dish, s,,ild bloel- :Clttiiig over the ceiitral flat portion of the -wheel alid the aclj,,Lceiit I)Ortions of said curi,ecl zoiie. 2. A dishecl wooclen dislc for veliiele ivhee at cei.- itral portioll and aii aiiiiu etirved zoiie sLiri-oLilldi-Tig s,tid I'l ther6 beiiio- a block secure to 6 cen pOrt@Loii of the wheel oii the convex sicle the clisli ai-icl fittiiig the adjaceiit portiolis o:[' said curATed zoiie, ancl the riin of s,,tid wlieel beiiig clisposed so that the iiiodiaii raclial Iiiie of the ceiitral portioii falls withilli said rim. 3. A dished -,woodeii disk for vehicle ivlieels haviiag a flat ceiiti-al poi@tioii and aii lilli'll "ar i-eitersely curved zoiie s-Lirroiiiidiii(y I l@ tn s,,@id cei-itral poi-tioii, there bein-- L ])lock fittliif,- oi,ei, the ceiitral portion aiid acljacent .35 poi-tiolis of said curve z d oiie oii the coi-ive,,@ sicle oil the disb, the rim of the wheel beiii,-,flat and disposed iii a plaiie par,.Illel to that of said central portioii, a.,,icl said rim beijig also disposed so that tl@e iiiedi,,in iadi,,tl Iiiie ,j@6 of the centi,,tl portion falls tlierein. 4. A dished disk for vehicle wheels coiiiposed. of a plurality of 1,,t3,ers of wood seciired togetlier, the graiiis of the several lai,ei@s beiiio- spirall I 'I@ )r ai-ranged at different ti@5 aiio'les -l'.roiii the otitside to the ceiiter tiid tlig, l,ty(,i.s .it eqlial clistai-ices It-oin th,(,, cei-iter their tyraiii-, riiiiiiiii(y iii tl)e same cl i i-ection. 5. A dislied (lisk for veliiele Avliecls compo@e,,l of- i pliii-.ility of 1,1,yei-s of Nvoo(,l setogetlei, aii(@t tL'rt,,nged ivilli thcir ai@ dilli'ei-ei)t aiigles iii t i-e\-ers(, spii@al or('Iei- fi,oni side to side of tlle ivlieel. C)5 6. A dislied clisl- for veliiele ivlieels coiil-' posed of a pluralitv of layei@s of, @vood seetired togetlier aiict arr@iiiged wi(Ili t,lieii7@Llniiiiio. it cliflei-eiit i i.@elie A,-erse spli-al oi-der froiii to si(le or I tio g a ivlieel, tliei-(, beiii PI Lli-alitv of otit-,siklie oil el(,Ii sid(,, o-f ',,lie iA,Iiecl wliieli tllll@ tliaii 't@lie ii)t(@i,iiied;iite ltyells. 7. A dishecl dislc for A"eliiele iN,Iiceis coiiiposed o-F a pltirality o-f la@,ei-s of Nyood qe65 ciii-ed togetliei- aiil! irraiiged witli tlielr o@rains rulilliiio, at difter,eiit aiigles ill (@b rekm v bder fr6m ide to side of the erse spir,,tl or s wlieel, theze beino, cltl plurality of oiitsicle I.a)Ters oii each sicle of the Nvlieel ivhicli are tliii-iiiei- t-lian the inlu-eriDe-,tllte ai-id 70 the o-i,,tins o-'c adjaceiit oiic,,s of siid otitsicle 'cliiiiiiei- ltyel-s beilig ari-aiiged at rig,.,Llt iiigles to olie anot er. S@ A dislied disk for -N7cliicle iA71ief,-Is coliipose@[ OT .1 Ptill@alit,)T of iiitei,iiiediat(,, ItLyers 75 of wooc[ to(;-et'tiei, iiid ari-ano@cd i vitl@i tlic.,ir ol,aii.,,s i,iiiiiiino- at dif'@e.L-ent aiio-les iii Li reATel-se sl)li,"Il ord(,ii T,.-oiii side to sl(,Ie of th,e @vliec@l, aiici a pILii'ality of olitsldc, layers ()it eacli si,d(, o@f ti'le ivh,@,el ,vliieli ai.-e thiian(@r 80 thlaii the 'Layers, tiie gi-aiiis of the iiiner oiies of stiic[ outci- tli;.nner layers i,-Liniiin(,,- in tlle same rellat;lve ordel- as those of s@Lid ij-.iLei-iiiedi.@tte 9. A dished d'si@ To-..- -@7ehicle -",Iieels coi-ii- 85 posed of a plut@ality of intei-lnediate layers o'L iiood see-Lii.ecl too@etlier and ,Li-i@a-tigecl with their griiiis ri-,iiniiig at di-'LTere-,it a@it)@les ill 11 ilcIN-ellse oi@,,'Ler fi-oii-i c@l(@,c, to 'side ol the ivliee4 aijcl a plurality of outside 90 1.,t)-ers oli cacii sicle of i"ll(, wlieel Ayhicli ai@e thiiil-l,-,r 'L-lian the internledilte la@701-S, tile gi!aiiis o@E acijacent layers Oil the outside being arr,-,iagecl at ri lit an-les to one aiiotlier, and the gi@aiiis O.L the inner oiies of said otit- i)5 side tli',@i-iiier I.,,yers rti iii in the saiiie rela@ tive order ts those of said intermedi ate layers. 10. A dislied d;.sk for V(,Ili-,Ie wheels COII'Iposed of a I)! i-@ali.ty o-'L la3,ors 6f wood se- 100 etii,ed t.o<)@etli,@,r ind arranacd Ni,itli the (-i-ai of a@Ijaceiit layers in ciifrerei-it d,,isi-ectioiis, the grains o@' Lhe outside Jayers aii(-l liticldle la@@ei- i-iiiii-iiiiu iii thG, saii-icdtr(,,ctioil ,i,iid th(- o@liei- l@t37ers at eq-Lial distai-ices troji' --,,id iiiicl(Ile lavei.- al.@,'o rtiiin;Dg in the @alftle, dii-ecti6ii. 11. A clisk flor i,elaicle wheels colf1pi-ising a PIUI',tlity Oi-' 1,LyerS Of AVood A@Nitli their adjacent ftices s@ccui@-ely a(Thered togetlier to foriii t s(@)lld stril(@tui@e, slid cl.isk haviii(-r aii aiiii(il,,ti- iiiii@l'oi-i-tily ct,,t-v(,d (Tepressioii il'i it.,g fa(.e, sitl)stalaili,,ill,)7 a,,@ s(,,t foi-tli. 1.@. A woocleli' c'lisk foi.@ veliiele ivlieej,@i of @,i rixe(.1 sl-ial)e till(] colyi1'5 1,)i-ising flat cei-iti,,tl aiid illill poi-tioiis aii(I liaA,iii,)- ,i, i,i,ii-f-.oi,iiily ClirvedporIlion ioiiiiii(- ,,,aid aii(I i-iiyi 6t@Lioiis, p @til)Stllilliii[Ily t,9 set 4'ot,tli. 1"'). ii,oo(](,@ii disl@ -i"oi., icliiele iNIleels 120 T-otiri(@cl,@ of i fi,,@e d sliape and (,011'1- pi-isiiiy .i, (lctt centrl,l poi.-tioli ti,ii(I ,I i-iiii 1)()i,(-ioii ail(] liaviii- I ti I I)oitioii joiniiig sai(--]. aii(I i,iyi poitiojis sl,,id ]till pol-tioll 125 liiviiig a @,,tibs,@aiiti.all.), cyliiidi-ical peripliei,y@ sub@,t@iiii'lially is s(@t-I forili. 14. A disliecl Ai-oodeii @ (lisk foi. vehi(,.Ie AA@lieels foi-iiied of @i pei-iiiaii(@iii-, fixed a.,jd coillprisiiicy a siibstaiitially Rai, 13",

portion ,tnd ,i, s-Libstalitially fl,,tt rina portion ,incl 1-i-,tviDg a curved portion in tl-ie form of a, section of a tori-is taken transvei,sely to the axis tbereof joinin(y saicl centra-I ,@nd riiii 5 portiolls, s-Libstoiiti,,tily as sc,,t forth. 15. A di,,,Iied Nvoo@lei-i disk for vehicle ivltft,ls liaa,illoan iiiiiiilai- iin:'I-I'oriiily ciii@vccl pol-lioll I)et-Avet@ri its aii(l. i-iiii and a block secui-(@d to tl@ie wlieel Illiid littiiicr a(y,,ii list 10 the ceiltrat poi-tioii tliei-e6.r-11 -,tibst,,Ll"@ially as S(It foi@tli. 16. i7V A-voodeii di,,,,I@ foi, vc,,I-tiele, wlicels coia-iposed of larniiiated iaood ai-id f oriiied ivith a flat centilal portioii an(I L flat pol.-tion 15 adjtteei-it to its i-iiii, Ay,@tii a eiirv(,d I)oi-tioii betwee@-i, and aii apei-ttti.-(-@ leidiiig f roiii Lt poiiit AA,ith@ii s,,ild eiirved portioii oii tl-ie outei, face of the disli: tliiotigla the riii:i to lyl for a p,,issaQ@e f6r a tli.@e valve, ,@ iil)stantially 20 as set foi-tli. 17. A disl@- for veliiele v@,liepls litiviiig a fl,,it central poi-tioii tiid coiii,(,x p6l'tioil on 01-1(@ si(lp- tll(@i-(Aol-, a disl@ oil stid iAIieel baA Tiil(-), i ts (@(1(,e lapei-ed z@, L@, 25 to eonfol--m to tli(' contout- of saicl coi-ivex portioii, stibstantially as set forth. 1)632-3427 18. A ivooclen disl@: for vehicle wlieels iiiacle -Lip of t plur,,tlity of layers of inoocl ,@ectired tc)gc@ther by an aclliesiae to foriii a soll-d striicti@,re@ s,,ild clislz I)eipg fai-med \vith 30 a flat co,-itilil poi-tion and a 1-1,tt i-iiii poi@tioii Avlth t ci@,rvocl depression betlyeei-i @@,aicl l@., porcion in(,l said ceiitral portioii, si@,bstaiiti.all.y ,i,9 set foi@tb. 19. A woo(leii Oisl@ Tot- A,eliiele 315 Aviieels liavii)g a Piat cetiti@al poi-tioii iii a plane 1-)ai-allel to biit offset fi-oiii ttie pIL,,Ilkl o@ ttie aiid a clisk a(-Liiiist said fl,,tt mnti,al o@IT,@et por t,ion sti,bst@intiall),@ -,is set foi-tl:i. 40 20@ A lamiiiat(,,cl dir@Ic T-or vc,,hiele Avbeels col-iipris@.iig a cei-itral layei- of wood Tncl. a pliii-,tllty o'L layers of wood socui@ed thereto o-n eacli sicle tliereof, the graiiig of ,,,(Ijoillilig I the 41; layei-s beiiig aii(yultrly disposed t@ci of the at eqtial distaiiees froli-i s@ii co@itral a3,er b(',ing siiiii@l,,irly d@1S])Osecl, as set fortli. Iii testiiiiony NiTliereof I li,,tve signecl iii naiiie. to this specific,,itioll. y CHESTER B. ALLEN.

Patent@ecl June 14, 1927. PATE' LJNITED S T A T F. @N F I C E Cl-iESTE- R B. ALLEN, OF IvIFMFI-I-YS, TFNNESSEEP ASSIGNOR OF ONE, -:[-.IAI,F TO W'FLLIAIVI I-T.. RUSSE, OF I@IIE, iviFI-IIS, TENXESSER VEHICLF, WHEEI,. Tlii,,3 iiiveiitioiiii relates Lo veliicIB wlieels, !)!-ts -@@'o ],, I' o'@-)@l' oc i-, @( 0 Pl'o v 1 de ii iipi-oveci -f ol or I,] o-'! solid ivlieel coi-npo@-ed of ti. 6. pltil,@ilit@, o,@ 1.,,, I i' AVOO(I @lllc[ forial(,d Avltl) c a g aiid insures t3:-cie i,liniiin2, sl)ecil:l (Dject is to pl@o,ii(le a clished disl@ Tvlie@,,l of A,@-ooeL i-ii ivbich @-'Iie rim is so d'ISi,)o:sed is 'Lo blidg tlio meCti"Ll-l 1-tiel'i@i,l Iiiie f 01, 1-@L"I"j -ooi-tioii of fhe ctisl-, iiitliiii heels are i-iiAA so Aihen a set f iv ill(,Lliit,-,d o@-Li i vehie!G@ L@liey ii,ill Li-@ick slibst,,I,iiti,illy like l@h(,@ oi,diiiai@y spoked @vllecls. Aiiothei, si)ecl@,ii ot)jec,,t is to forin tll C4 j5 (tlsl,(@(I Avlieel witli ,,n aiiiiulail i-eversel.y Clil,Ved zoi-ie beti@Teeii its ceiiter aild i-i@ii ,tiicl so ii,rziDged ivith iespect to the riiii th,@it t p,tssage for the inflatitia iiozzle of a piieuiii@itic tire rn-,ty be foriiied fi-on-i the tread of 20 tlte i-iiii i,iiiiiiin o- tlii-oii (-h f,lie 1,,itL6,r and opciiin!,)@ oii tlio (@oiic-live side o-'L ,,tid etirv(,cl zoiie lvliei-e conveiiieiit .tccess i-nay be had to &,iid .IIOZ.I/Ic@ iiad tlte s.-,iiie will lie i-.n the I)I@tne of the wh(,,el ii,liei-e -it is not in (1,,tii(,er o@f beiii(@, 25 A f iii-tlier ol)-ject is to s6 tli(, - la3Tel'S of, NN-oo(i o-f Nvliieli the disk 1\,Ileel is con\@tilli tliclr gr,ltllls I'lliliallig ill Silel,@t re[-,ttion to oiie aiiotliei, tli,,it the @,vheel Avill .oper b,.L],,iiiee 30 l@ettlill Pl@ of the si,rairis set t) tip iii LI).e A,@,@ood I)Y the pi-essiny o'L the dish tl-L(,i-eiii, - ivliereby 'ifici,e iaill be jio tendency foi. the Avlieel to i@,,trp iii tise. The layers coiiiposli)g the @ili(@,el are .iLso etit in ,t specii'@ -Yit)led lor pl@-essjilg 35 beiii(, assei tile (lisli iiii-o tile S.,Ilfle, in order tli,,tt the pi-op(,i@ o'@ sti-aiiis iii tlie Nyood mty I)c the portioii of i@ii(@ lisk (@iit OfT ill fiiiisliil)o@ l,lic, Avheel. 40 'I'lle i]IAI("Iatloil N@7111 I)e fit- liereini-i'tei! cleS(Illli[)("Cl iii col)llectio-ii ii,ii'li the "1(@cojiip@iiiyiiig dilt.LN@liii"ysl i),Iiieli (,onstittile part of this .,I -1011, ncl i.ii(@n ii-ioi-e - ,pe(@ificallv (leli (@(I 'ii 4lie c@ll:iliii-, tt, ill)(,, of the des(,i,ip11 45 tioli. Tyl tike (1,-@iwilig@, wliel,@eiii ai@e7 rtse.cl to ('ol@i-(@s-i,)oll(.1i]lg ]@@ii-is tlii-oi.i,)-lioit@ 50 I is I sicic@ i,li("@N' 0-11 lialf ()4@ ti stit),qtaiitially iii - a(!coi,(Ii ,)lice Av,th tl,),s ilIA-@l-iii(ii, the 1, I yei@s of iaoocl IWI)' to d(@ iiees f i.-o.-ii i 9 ,@ide ol' Llie disli to the (@eiitral, Application filed March 23,1922. Serial NiD. 547,439. IL-,yer to slioNN, tile -"r,137 tlic, O@i-aii-is of said r, r, ltyei-s i-iiii ivith j..Csl)ect to ()iie iliotlier,. Figtii-e @) is t-ii pposite -f 0 ace vi-ew of [lie liall@ o 'I' i@bC' %v'ileel wi.th the la3,c,.t-s fi-oiii that sicl e to the centcr 8--,Llllil.,trly brokei-i to slio'W lio)i, t,lie (-i,aiiis thei-eof i@iin C) i) with -itspect to eteli otliei, ,ind ivith those ol@ the otlie@ side a@ (,d iii FigLii-e 1, pol-- ti6iis ol the otilsicle t]-iinner layers being also bi-okeii aii7a3,- to sliow the VV@l.@T tile (-I"aiii@@ tl-ici,eof ruii i@lel@itive to ea ch otl@er. Figui-C" 3 is i sectioii o,f the AAIieel takeii diaiii,-,trically a,@,.d sliowiiig a reinfoi-einobloolz on ti.le c6iivex sid(, of the dish, ,ind @tlso a pass@ige iii the rilia poi,ti-oii T-or the inflitiiig iiozz le of a piietimatic tire, ti-id 70 4 is an enlal-(,,ed secti(ii Of tile iiiaiginal or riin p orti6n o'i.' the ivheel to sliovv the sevoi,@,,l l@iyers of ivood of- wliich 4,t i.s coinposed. Th e ivheel I is lorD-'Ied o-f a I)Itii,,Ilit3T (i@ 75 la3re i@s oi- iteneclrs of ivood wbieli t're seeiir(,(l tooetliei.@ pi,e-f'ei@,abiy by ,vltel'-p-i@oof o,liie or I ceiyi ent tiicl are trrail"ecl so i-l-itt tiie:o@r,,tilis of the -,voo(I of tcljti(,elit layei.s ri-in in diiii@el -ellt Clil'OOtiODs. 'TI)c iiuii@ibei- of the Iti. ers 80 y Lisecl iii,,tl7 be Is W(',Il as the [Iii(,,kiies,, of the 1,,iyers, but is sliovvii iii the dr@twiiigs the ;s (@oiiiposecl- of thit-teeii layers or I veneci-s. Tli:e s(,veii @iiiteimedi,,tte la3T(I's 2 - lie ai,e prei"ei,@ibly of eq@.ial t,iiiel;@iie,ss, AN,hile t 85 thi@ ee oLitsi@le,@ 3 on each side of the wli.e el ,ti,e tli-in@er th,in sii(I iiitei-iiiediate s th@it ltyeis aiici of siieli thicki-ies s 0 the to@tal tliiel@iiez@s of s@ii(-l tiii-ee oi@it @icl 1,,tyci-,s siibsttritiall.y, (,(Ii,iltls t@be tlii(-,ki@iess of ()o eacli of the laye rs. Th e ii)e i-,Iiod of- " eoilstt.ll etill o- tile, wlie el coii.sists in fii,st sectiriii(y the layei -s c otitsi (l(, iliclxibers 3 tooy etber 1.0ol , (.1tie ol. 95 said thre r(od ai-i-,iii(@-ed so t,Iia[ 1- 11. s to oiie ,i teci @ )@)y the I)oi.- ti.on all the bottoiii Fi(vi @tt@e If siid tlll,ee-pl37 otitside iiieiii (,.i-s I iise(-l i,ill oil(,e loo oil, iii a shoi-t tiiiie beiiig CeDieiit@e(l@l totl)ev )vill cont,,!iTi enoii(-Ii i l l e j l l I'l-Ol@l @li(@ gllie or (@eiiie,.Ilt to pi-eV-, 4@t@oiii oi- ci,,,tc,l@iiig iii tlic@ pi,ess iisecl foi- @tis'[linp, tlio wli(@el. I)iit if sai'cl oi@itsicle 105 ,i@s 1)(,c oiiie -,@.-ied ilt. befoi'C 11,1@(?, I cl nieiii l)c tlie), slioiilcl, b(- jiioi.steiie(.1 befol-o .,,s@ 7 ) seiiibled witli ilie iiiteT-iiie(l@'Lzte Iftyci.-s aiict

1,632,427 placecl in the press f or f or-iniiig the dish. The intermecli,,tte 1,,LiTers 2 -do not h,,Lve to be moistened bectlise if they clo check or er,,tek durino- tl-ie pi,essing operation tbev are cevt, erecl by the tl-iree-ply 6:Litsi.de ltyers or iiiembers 3 which have, tl-ie nece@-s,,ii-y ii-iois'Liii,e to pi-event tliein froi-a The,re slioiilcl preferably be, ai-i odd iitimbe of iiitermecli@tte la r @yei-s 2 used aiid they 10 are asseiiiblecl or I)Iaced togetl-ier ftc(-, to f,,tee witli the @@raiiis of the Avoo(I of adj,,teeiit la)7ers i-tiniiijig in diffbreiit directions. AlTliel-e seveii interiuecli,,itclayei-s 2 ire usecl ,is ilIiistrated I'n the o-ncl of the tl-ireeply otitsicle mei-i-ibers 3 is laid (Ibwi-i first -witl-i itg tipper layer oi, veiieer ,tri-anged -",itli its (yrain rui iniiio"i,ei-tic,,illy .is, at 4, ]Fiaiii-e 1. ,fi@ 'first inte,rn-iodiat(, lav i- 1), i,, tli' laid e ll e, en Lip6n saicl oiitsicle member Avitli its o-r@iin rtijrinin(y ,tt 45' degic-es to LlifLt of 'clie ,@aid oi@itsicie i-i-iei-iibei,'s Lipl)eioi, iiiside li,yei,, ts at 5 in Figui-e 1. T-'Lie i-Lext ili'Lei-ii-ieditte I-ayer 2@ is @fiell laid ivili-L its (,@i,aiii i-iiiiiiing ai 90 degrces to that of the iiiside layei, of 25 the otitside meii-ibei- as at 6 iii FIO'lli-e I' afteizn wliicl-i tlae ne,-t 'nter ... ediat(@, layer is I-,tic! to its oi-i(yiiial fl,,tt fol-iii, or AVtrp oibuckle,, in order witli i.ts graii-i i@iiiiniiig a'L 45 (.Ie- because i,-.i oi-dei- to do so the iiidividual grees-to the lie-xt IoNver l@t),eian.cl at 135 d(,- 1,,t ers of ii,oo@(I n-iiist slip oii Qieli other, y grees to tl-ie InSiCle la,17ei, 4 of the fir,-,t, laicl -@Yhicli is pren-eiitecl by t',Ie, set gl-Lie or act30 o-Litside iiienibei-, as slio,",n at 7 in,Fivui-e 1. liesive substance be-IL,-w'eeii tliem. 95 TI-ie n-iicldle iiiterniedi@Lte la,-,,er is theii 1,,tld, TI-io form aiid extciit of tl-ie, disli in the cl 'tc' , r t e i I is at 8 in Fio@ti@i- s 1 a,-.id 2, -"-itl-i its t),r,,ii.n ivlieel may be vtrie to sLi, I ffe ei-i requireru:rining i,ei@tically, aftei, ivliieli tl-ie iie-@t i-iieii@ts oi- ttstes, but qs s'ilowii best ii-.i Fioure three iiitermedi',,tte ltt3,eL'S ai@e lticl in the si, e 3 of the draayiyig n ill _;s the disli i,,icllicles 1-.i 35 rel@ation as th6 fi'i-st t,lii-ee )5) 6 ,tiicl 7, blit iii lir i-evei-sely ellil.@iecl zo,-i(, 14 bc,,tiveeii the 10( the@ reverse orde@t,, as slioi@@ii at 9) 10 aiid It i@'ii contei, aiid i-iii-i so tl-i,,tt the iyieditii radi@,il Figtire, 2, the top otitsid(,, iiieii-iber @0) being@ line of the cei-itrlll poi.@tion oi@-, l@ub 15 ivill fli-iall p aced witl-i its iiiiier la3@er havii'lo, fall AAitliili tl-.e tre-,t(I o-f tlio i-iiii 16, ,).s i--,idiy its- grain rtinnino, i-eli-tical,lv as, ,it 12 i@ii c,ate,cl by tli brokeii l i n e l ' i i i i . s a ' d f i o - u p e . e 40 Figiire 2. It will@ tl-ilis be -,een tli,,tt the sev- Saicl cehtral portioi-i 15 is piefer,,,bly r@iacle, io5 ei"..il, layei-s used in iii,@lkiiio, -Lip the -%vhc-el are flat, a,.s slio-,iii, tl@e riin 16 is@ ,Iso,lyiade placed in sucli a Nvay ii,itli iclati6ii to tlio, f-lat so tli-,t'u it lies iii ,L. plaiie pirallel to riii,ini.iig of the grai@s of the N%,ood tlicrlof tli@it of thp, poi-tic)iT. Tlile ril-,l Oil ulc@ that said' ai-e clisl)oscd iii a i-eierse coic,,tve side of tlie, ho-@vevei-, is pi-efei-- 45 spiral ord@r fi-om oiie si@le o-,r the to. al '.-y 1,)res.4eO, Sl'glltly be -ICI )I l@ 0 1 Ull (I I 10 the otlici-, ,tiid' that eacli t@vo li),ei@s wllicli ti@e plaiie of tl-,e, ceiitril porti,on 15 AvIlell tlie@ lirran@zecl tlie same dlistince froi-ri the cent-ral clisli i-- foriiied. By fbriiiiiig tlie@ disli- ivil@li 1,,tyer liave the grain rtiiiniitig ii"i the saiiie t-lie a,.liililar revei,,@ely ei.,,Pved zoiie 14 it is Clirecti6n. It, lias beei-i fouii(I by long ex- possible to pi,ovi(le ,t p,.tssage IS tliro,.lgli tl,Oi 50 perience that @tllis reverse spii@,il order of riiii froiii the trea@-I tliereof 16 tlio concave 115 ai-rano@iiio- the (,i@aiii,-, of the Iiyei-,, I)i-evc,,.iits side of- the disli for i-eceiiiii(y the inflitin 9 tile iNIi@eel froin -warpi@ng beetuse it ,YiiTes t,lic, nozzle of i iieumatic tille (iiot sli:oAvii), so p pi,oper bilince, to the sti,,,tin,@ or@ stresses set tl-.-,tt tlic@ Nvlieel iii,,iy be iise(I ivith stock riiiis iip ill tlie ANood ivlieii the cl@isli @is pi.le,@secl into ,tiicl tirei incl tlio I-iozzle ivill lie in the con55 tli-e clisk ivliereas if Sli'l@ci layers ,ire arran "LY, e gecl c of the disli @vl,.ere it is not ap'@ tO be 120 ill a coiitii-iuous fi,oii-i one side to tlie! iiijured ivlien the xvlieel Is other of the Ayhe,ollq slil)ping ictioll in tl-ie The ceiitril poi!tioii of the ivheel ilial, be iiature of ,v corl@screiv iiiovemeiit betiveei-i the ieiiiforcect by the adclitioii of i circular@ 1,,tyers is apt to tal@e place @v-1-iiely destroys blocl@ of -wo0a 19, Figure 3, ivhich is stiitably 60 the proper ba.laneca of- the stresses or straii-is sectired oli the coiivex sicle of tlie, -,Iish ,7o is in the ivood iiitli tl-ic restilt tlaat the wlieel to cover the ceiitral fl,,it portioii 15 a-,Icl the -%vill- ",arp. oldjaceiit portibiis of the clish. Otli-er iiaocliLong experience lias lqls6 shoiyn tl-iat ii@ ficati6lis iiaay be iiiade in the constrtictioi-i orcler to inailitain the IDi@oper bilince of the@ hereiii sho-wii ancl clescribecl -withoiit clel)artOr) strains in the -wood after tiie wl-ieel is fin- ing froiii the pre eiit iliveiitioii. It A@-ill be. islicd by tl-ie removal of the marginal portion tliereof ill ti-iiiiii-iiiig to size, it is iiiiportaiit that the layers be eire-LilLr iii foriii before beiiiassc,,ii-ibled, anct th,,it saict layers Z!l be placed toaether coiieentili:cilly, so tl-tat tlie, 70 dista-Tico, froili@ the center to the perlplicrv of- e,,tcl) iiill be ",lie siiiie all ai.-oiiiicl. ail(,-ti'-ar pieces llftv(', beeii usecl I p in btiildijig ii tli(,, la.),ers i,iid it 1,,as beell foiiiid tli,.tt iylieri tlle ii@i-egular pi-ojectioiis 75 ai@otiiicl tli(, edge of the ire ,,it, off after the clisli is pi-essed ii-i the rei-tioval of (yreat,-r extenti of the Yrain at soiiie poiiits tli,,iii at otliei-s clo,,troys the balai-ice I)eti-veci-i the strai-Lis wl,,icla Itave Leen set up ai-icl b-,i'ialeetl so cILiriiig said prcssiiig operatio-,I. To i,,isure the propei- ceiiteri-ng o4' the ,tss(@iyibled lay(,I.s ii-i the I)ress @i ceii'-ral b u oi-e 13 is pi-ef-eribly foriiied iii 'L-he dis'l,: to fit ovc,,u t pli-Y in the pi.,e@s (not slioivi-i). 117lieii the several layers 8,5 ai,e asseiaibl.(,,(I. p;ltic,, or ceiiieiit is placecl bet@veei-i ttic@m., iiad the clisl@@ is ]("Tt ill tl),e pi-ess 1.-ftei- the dis'll lias beeii locme-,l uiitil sai(I Y'ii,,(, oicellient lins scat, so t-liat iilieii it is reiiiovecl 'clig@ wb(@el caniiot returi-i f)(