with a, noriiially closed, refilliiizz cup 27 in, loi;v,-it,@ -eated ii,hiel-i a @,,Ilpply of liqliid is main'Llained.@ A stop cock@28 ,Lrr,,tiiged in tlie,sliorter leg,@@llay be openecl ivlien the tube is, in i-ertical posir, tioii to alloiit liqi-t"@d to flo@v froii-i tl-ie I-efillin@g, CLIP to th-,,cyliiidei, as iii,.ty be neces3ar,7 T-1-om t;,iiie to tiiii(, 'uo i.@eplenisl-i I.Ii iiial%-in,,y a test, with my ii-iiproved @macliiiie the i-s-scre@iled dowii by 1,)e tcst(@cl., the tension of :the-sprin(- inere,,tsiiio- ui-iiiil the fl,,,tnge of the block@IS contacts p th@e iling 24@q carried by the lilib of the clain ,r iii,,y head@ This is instantl perceptible to t,,e m - toucb of the ope@ator, and the cla p is stoppecl just t,t the point of- contact@ adjListm ent@ of the ring- 24a, the degi@ee o'@P moieilieiit bef6ro contact occurs,, And coiisequentl,y ti-ie degree ol @ i)res@ure i ati tl-ie .0 o ma-)T! be- var'ied ivi@chiii: the: struct-tiral li'mits @ of 'the@. me-ynbers. At this point, under proper adjustiiient,@ thepressiii@e is not stifricieht@ to inj Lii'e th6 materi-,ul,@ bu'u the cllniping 1-ieacl@ i.s :ib,solutel3,. firm, and C5 ui-iy'clcling to uijward pi-ess-ure exerted thrott,Th@ the diai.@liragn-i., B'ecati. e of ti-ie pi-ovision of a spril-.i(y ,tffordiiig means for, claml)ing iiiaterill ivith uniform tension pei,ceptible at everv testing opei-ation to tl-ic o orator, and be@ause of- the sm,,.Il ol)erating p lyheel on the clamping screiv there is little probability of the clamp being operated to mutilate the board iii the mai-iner sho-wn in Fi.g. 6, ,t misliap ivhich is especially liable to occur ,tlid is especially iiijurious in the c,ase of corruoated paper board. In the c9,se, I.io)i,ei,er, of dense firm fibre board or similar materi.al iihich sho-Lild be firmly clomped the screai, pressure -Lipon tl-ie clainping head is directlv imparted immediatelv upon cont,,tct of 'uhe bearilig cup 18 with the ring 24a , and i@li.e in,,tcliine is therefore adapted for use witb such mqtei,i.al in any position of such ring. The board area stibject to liquid pressure ,,Ilcler the cliapl-iragm and its rel,,ttively thick (,,o-Tistructi6l-i te-,id to press the materi,,tl -LipNi,ard and -I,orce it -witli uniform pressure inio the orifice in the pressure head die, without se,,ire,hiiig olit any minute imperfection at )17hich to initiate a prem,,tture rupture. In the case of corrucated paper board the corrugated liner is evenly compressed over a larger areo, tendin.u to c,-tuse all pl-ies of the p@per to burst or rupture at the same time, - t, giving t 'est of tl-ieir combiiied or aggregate strei,igth more uiiiform and more accurate than has 1-icretofore beeti attained. i cilliim: 1. A machine of the character described 1-idving an orificed clampino, head and an orificed paper-supporting table and means for creatin,a liqliid pressure, a rubber diaphr,,igin exnposed at its lower side to the liquid pressure and having a lower margii-,ial portion clamped in the table @str4eturp bQ, with. the SLIrTtice of the titble., 2. A mlichine of the ehirac@@- Pr cl6scribecl lia@,,ino- an orificecl clairi)ing heLd and all 70 ol@-,."icecl. l@apqli- upport'n(y ttble ,tid mellilis s I , foi- creatin(, liq-Lild pi-essure, a i,ubl,-e,, diii'ts@,loNver S;Ide to tle li-qtii@t pi,esslli@e aiacl ha-,ril'l,(", a lo-@-,er margil-1pl loiit, i'Ls Stii-fLC.6 1'@icl a tlilcl@er ceiit-i,,ql I)ol."u-lon sealed ii7i'@,,h@Ln the t-,,ible orifice Pncl iqusli i-v'-th the slipf@ice of the table, saicl tlilcl@er cei'ltral portioIL-. of tle diaphragi-n being of gi@eatei- ai@e,,t th -i o 'n the eli piii cr 8( aii the orif c I in head. 3. A of the character clescribed Ila.-v,iiig an@b,,!ificeO, cla@-nping he,,id anot a, supporting frtme@ provided ",.-Lth means f bici@eatiii!@ liquid ol,ilqc@-,Cl P"tl)er85 pressiire, an stiprioru-i-Tig,tal)le me-Tnber i-nte-.,iorl-@f, rece-ss,@(I ),)eloiiT vnd qcljvcent its top sLirfa'ce., a@ rubI)er cl@-',aphra(-m exl@)osed at its lower si.de to tli(, liqiiid 1:)ilessltii"" Itild@havi,,i.(r I I.oliTer@T-liargiiial poi-tion disposed )vithin s@lid re.-Oss be- (10 tiveen the to,,:) face of saici table meniber ,tii@t the opposed Nvall portion @of- said li-ame bei.o-@v said recess aiid h@A,ing @ thicl.,er' c-,iitt,,tl u poi@tion sea-ed vithiii the orifice of s-,icl table ii,@oinber, said marginal and ce ntral poi.- tions o'L the diaphrigm meetiiio, at i@ioght angles to fori-D an ann-Lilar shoulder and the over1-ianging portion of said table men-iber beiiig chamfered adjacent the @,Lllgle at SLid sboulder. i(O 4. A mac hiiie of the char acte r des crib d e having an o@ificed papersupportirig tlble and meai,.s for, creat.il'lg liquid pressure, a rlibber diaphra(ym iii said orifice exposed at its lower side to tl-ie liqlii.d pressiire, and a 105 cl,,ti-nping head arran("ed to cooi)erate ivif@h said paper-SLipportin(; table and'a.dapted to receive iiiterchai-igeal)lv slides halting respectively orifices of -(Iifferent shapes, the orifice iii said table e:@ceediii- i.1 dimensloiis 110 the orifices in all the slides. 5. A machiiie of the charater clescribed havin4y an orificed paper-supporting ttble and an o.-ificed clamping he,,id, means for imparting clampidg presslire to@ said head 115 comprisilig a, screw sha'Lt mounted lii tl-le frame of the -niachi-,ie ,tnd equipped with a turiiing handle for mantial actuation, a bearing member engage y d b. @aid shaft and 120 liaving Iiinited niovenielit -with respect to said head, and a spring interposed bet,-,ween said bearing meinber and s,,tid head, -whereby either initial pressure determiiled by tl-ie spring or positi-v@e pressiire in excess of s-Lieli sprinu pressure may be distiliguished by 125 mani@tilati6n of the, handle and tl-ie clegree of either pressiire varied at will. 6. A machilie of the chnracter described having an orificed p@%per-supporting table tltd p,4 gr . fi ed clamping @pad@ mepjI8 for 130 30 tlie:hqiid whe@,l upoii the sheet of i-itaterial to- I)o@tion in tiie tab'le sti,uc,'--iirc, be- 7.5 the table, orit'ice qnd flusl-i

imparting clamping pressure to said head comprising a, screw shaft moLLnted in tl-ie frame of the machiiie, a bearing member engaged by said sh,,tft ELnd liaving lin-iited ll'iovei-aelit ivitli respect to saicl head, saicl clai-iiping heacl being formecl witl-i -,L ceiitral sprilia chamber, a flani @@eci ciip eiao-a-ed by I I @ n s,,,, i d shaft and arranged within said chamber, a spring iii s-,id cliamber bea-riii,-, -L 9 agq.'nst sa,id flaii e, the flano-e of said clip ),)ei,ng arr,,ti-iged to contact clampino, he,td at predetermined pressure, ,tiid a sivivel connectioi-i between sai.d clamping he,,id aiid said screiv shaft extending t,irough said ctip a7.-icl the Yvall of the chalilber in stich liead. T. A machin(- of the character describecl h,Lvii-i ' (r ,tii orificecl papersupporting t,%ble ai-icl ai-i orifi,.@ed clamping head, means for 2 @'i impartiiig claml)in-- pressure to s,,iid heacl, co,,i-iprjsiiig a scre-@v shaft inouiitecl in the franie of ihe, machine, a bearing ii-iein]Der el,igliged by said sliaft ancl h,-tvin limitecl g in@vement -witl-i respect to said head, adjusting me,,ins foi, Yarying the de(yree of moiemeiat betiveeii said head. aiid'@said bearin(y member, ai-id a si)ri-.ig interposed bet@N-een ,;aid heacl .tnd sELicl beariii(y inember, ivhereby either predetermined spriii(r presstire oipositive pressure in excess of such deter- 3( miiied pressure may be imparted at ivill. S. A machin(-, of the ch,,iracter described haviiig ai-i orificed p,,tper-supportintable aiid an orificed cllinping he,,td, saict heacl being provided N-vith a ceiitral hub foii'llecl i),ith -,t sprid(y chamber, means for iml3arti-.ig precletermij-ieci pressure to s,-iJ comprising a screiv sh,,tft molii-ited iii tl-io frame of the machine, a fl,,tnged cup ciigaged by said shaft and arranged w;ltllil-i -'to sgicl chaiiiber, -,i spriiia in sa,id chamber, and aii adjlistiii- ring i@i'ali@iiig s,-reNv-threacled eiiuayemei-it 7,-ith stid hub-a-.nd arrai-i-ed to cooperate witli the flaiige of said clip. 9. A i-nachine of the character describecl havii-ig meads for creatin(y liquid piessure, ,Lii orificed cl,,impiiig head, an orificed p,-.peis,,ipporting table, and a rtibb,er diaphra,,n-ii exposed at its lower side to the liquid press7Lire il'i the orifice in said table, the arei of the orifice in said t.Lble exceedin- the aret of tl-ie orifice iii said claniping he,,tcl ,tid said rubber diaphrap@m being thicl;cer opposite the orifice in the clampiiihead th-aii in the surroi,,ndilio, portion. JOHN W. WEBP 15

Patente@d Nov. 2, 1926. 1160,51311] UNITED, S,TA,TE,S@ PA@@TE@NT OFFICE, ioi-ix W. VIEB33, OF 0-1--T-TCAGO, ILL-@NOIS; @,IIITEOLA OID. WEBB, ADXINISTRATRIX OF SAID TOIiW W. WEBB, DECEASE@). ASS!GIXOR To WE@BB TESTER, INCORPORATED, OF, CFLICAGO, ILLINOI'.3, A CORPOR TION OF DELAWAR.E. PAPER BOARD-TESTING XAC IIINE. Application filed, February 20,1922'. Serial No@ 537,7@t)q. l@@l iiyent,@O'A. 1'el 1,1'llprc"l,elll,el-its il@ iiiititted, at such spot before the ii6riiial aiid I ates to,.' ch is designed e Nib.i for testing tli an,erag-e ],)iir tii sti,e,i--th of the enti-re area sti@ei-tc,@li of sheet i3iateria,ls,, slich as..pftper,- sul:)Posecl to I)e uiicler test is reaclied, aiad P p@r.ci,i-i,ic,iit, cii-dbo,,trd a-@id othIr vari-e'.-,ies, lower ip-cli--at@'@on oL' the s-@.-rbngth o'l tile padei, 15 OT fibre, boird, cell-L,,Iar b6,,t,@,cl made up, of E'l ,ieet.z of o-ori-tigated p,.tper pastecl bet-weeii slieets, e@e.@ ,tiid.wl-iieh is ()f tl-ie type in @vliicl-i " bocly of liquiii, stich as glyceri.ii6, is arj!al.l e-d to be piit ui,icier iiiereasill@g@ meas-- 9 -,-,siire ,i,p@ci t i.tc stress,throiigh ,i 1( iired I)rc,, r i'-Libber di,6i,l)lii@agiii, aga,inst a sheet of the i-ri@ite,ci,ql to be,tested, baqk-ed on its op:p,osite @:lde by an orificed claii-.il)i-llg heacl ,tri-,,tn(recl to Tiolettlie-iiiateri'al dowii uliroii t table liavI r) i iig '] ii its upper f ace ,an orific@e exposing: the, in,aaachines of this type as heretofore coli.Strtlc,kc,d. tl-ie i.@eo@istering orifices in the suppoi@tiii,g t(ible,and e 2,0 o-[2 the s,,tme cize, aiid the dial)hra@m lias beei,i t relatively thili sheet of verv flexibl@@ i-iibber ai-i-ai-.iged in a plttne .L subst,,tiiti,.Il distaiie- (,clbotit ,L qliarter of al'i ilach), below the plaiie of.tbe slirfltee of the table, f-roin 25 v@rliich seieral objectioiis hai@e resulted. Becai,is(- of flie pi,iicliin(y eff'ect at t'l.ie eclges of the alipiiecl. ol)eiiiiigs 6f the t,,tl-)Ie and clampiia,,)@.Ilead, it liis been f6Liiid,that whe ii, the pap,--r is ellamp,ed down witli Liiidue force on o the t@,bl(- the 1),- Lpel- is iiiutilated aiid a test siicli coi@iditiolis (Tii,es an indi.cati6n of tli(, streiagth of the material in-Lich -@tiial strenotli This is I)artieLibeloiv ;(.s a .Yateci @aper board. tulle of coi.l.u(, 35 Aiiother defect is clije to the relatively thi@-i cli,,il)liragm Avhich i-nust sti-etch in a spherical clirvattire i copsiderable distance befbre it toi-.eli,es the paper and then begins to exert its strcss at the center, raduall@ extending 9 40 oa,cr a eiretilar irea increasing radially, a I)IOde cf @actioii - which is n6t c'ondlicive to i,i.iii:i@orixiit.)T of actioiii ,ind ,tlmost;invariably i-eslil,tF,: ir, rlipturing@ the lower fteingsheet Iii-iei!@ aiid upper f,,icina- sheet successive@ 45 ly., the bj!eaks oi@e-Lirring in ra . picl succession, -id ,9,i , prodticiiig an atidible clotible reFort or is given than its true average noriiial sti-eno-th I'b is the object of niy ipveiitio-Ti -to rem@ dy ti@e jef-eC'@-s wentioi-ied, aiid to perfect a.iid develo tb-e machine to as Iiigh a de("-re,,- of,[;') p accui-,ticl7 ts 1,)ossible. O.-,e I illre,,itii,@e of \-Onti oii @claies to an iinp rovecl constructioii@ ancl of tl-ie cliaphra,-iii @tl'ld Oi-i.- iqcgd tctb'e and clainpii-ia liead, @iid anotl-ier to iiieniis for cla):iyl3ing the -Lipoii (I .3 the t,.ibl.e with ,, Dressure. which sliall ' be just sufficieiit for the tests to be made aiid tinil-l'oiirt in all tests. Another featilire relates to -ror efillin- the cylinder to replace s I r -lar@ping 1-iead hav been, aii)r leakao@e tl,.at may occur and iiiai-i-itain 71 the lovvi 0-.f the upper surface of tlie speciil diapl-iragiii which I h,,tve clevised iii tl-ie plai-ie of the paper-supportid.g table. IlTitl- the objects.above ine,.itioned in view I b a i, e O@ evised tncl invel'ited the novel p,@ I)er- 7,5 il-esting i,,iae,hii-ie ivhich is lier6illafter more particlilarlv described. and whiel-i contains l@lie iiyipro@ed features of constriictioli Mel'7 lio ent on - necl. aiid iny inv i resides iii the noi,el.: construc tion ,tnd. arraiigpment of cool:)erat- so n,7 pi-ii,ts aiid luembers employed iii accomili @ the eiicls iii view, the esseiitill eles of in-,y inventioii being inoi@e pai-ticu1,,trlv r(,cited in tl-ie Ippended cl,,tims. ecoinpai-iying clra,wiiio-s, wliieh il- R ]In t)ie a Itistr,.tte my inven'@-ioii in a P,refei@recl fornl of ei-iibodiiiient, Fio-iire 1 is a persl@ecti-,,e view illtistr@ti n g t;la@ " (,Yeneral form and arrangemeiit oT 1).arts of a. niachine of the Mulli-n tylie t) whicli na37 iiii@ent-ion is E@pplied. Fig. ii,,i 2 ;,s a frap-qiiLeiit@i-y vertical sectioii @f tf@e loN@er 1)ortiouL of, the clamdiiig head ,tnd adjocent @o,-tions of the' i-a@le@,aiid the fraiiie @liere below- Fig. 3 is a P(,,rspe@tive of th e ubb - g 11 S., ie- pressure o,7, eiditiphra m sed @ t], iieinbei,; Fig. 4 is a ce al 6ross-seet' of ntr ion @he siiiie Fig n,.-Vla n vlew o 5 is a. b@tto'i i t-ie. popping,soiind.- Thetl-iin.flexible..diai3hragni@@detoch-,iblodie us6d in the- c amping 1-.i6ad; i,., Tiii,tlier open to the,objec.tioii thftt if arrel,,ia-,nd@14'ig. 6.@is ,i' fr@@inentary ve@@ic@l se@il@Oli tively small defectix,e pot ex,ists in:- the @Pa@ of tlie' orificed s-Li@@orting'tablel aiid: 16inpl(i@ c 5o per, esp@ecially oiie,.at@6r nerr, the @ usual @lines. i no; b e,,,l d aiid@ ihe rubber diaphrag f. m 0 a l ' i qf ru @@l the .@upturo of@the,..-p,,tper will be.,- @,orcliiiti,.-y aper-testino,:-mae in@ of@@ttie t pe Ptil p h@ Y.

w,hich I h,,,ve improved, -hoiving the maniier ir, -,A,-Iiieh a piece of corrugated paper is pi.acliecl uiider stroii(r pressure in s-Lich m,,iiii-ier to @",eaken it. I The same 1,eT-erence characters inclic-,tte the sai-,ie 13ai-ts in all the figures of the clra-wing. It will siif-'iice for purl)oses of explanition of the preselit inveiition, to state that a suit,lble I-),ise I of the fraine of the machine i-s 1 (1, arraii@l.ecl to slipport a bo-ay p-ortioii 2 which has a iiteral exteiision 3 in -N-vhich is i'ormed a cA71i-itC@er ari-aiiged to i-eceive a pistoii 4 aetLiatt-,Ct tlii-oiigli a ivorm bv iiie,.tns of h,,tnd wlieel The iiiember 3 is arringed to sup1,7) poi!t pr,,ssule gatige 6 in the usual iii,,tniier, the pressure o-L' tl-ic liquid in the cylindeibel,,i-, to conti-ol the cl;al R'lechaiiism to give ap- indicttion of the degre,e o-r pi,essure. 20 A.s shoi-vn i-n Fig. 2 the rear e-p-cl o'l tl-ie cylinc)'Ler commuiiicates -with a ptssagp- '7 ivhlch is T-orii-iocl in a vertic,@il upv,,ardly extencli,ng poi-tion 8 of the mei@,aber 3 a'rrai-i ecl 9 to support the paper supporting table 9. me 25 This table is clamped doivn Lipon the 'Lra P.aei-nber 8 Lgainst the interposed di,.iphi:agn-i 10 by -L flaii _@ed clamping ring 11 selitiji 9 in n L .in external slioulder oii tlie '-@Lble member 9 so that the tipper s-Lii-faces of the tivo p,,irt;., lie in the same plane. The diaphragni Is formed of a somewl-iat 1-iarder rubber 1-.han the diaidhragms heretofore coiiamo@nly used, an-,I as shown in Figs. 3 and 4 cons;-sts of a thin margiiipl portion and an upNvardl3@ projecting central portion -wl-iieh, when the liqi,iicl in the cylilider is unler no PressLire, staiids with its Lipper ',ace fltish N-,,itl-i the surface o'l the paper table. As illustrated, the loiver eclgo of the opening in the tal,)Ie 4u 9 is cut aivay is inclicated at 12 go that as the ditphrcgm expaiids and stretches uii.d(,r presslire it iiia I)e eased at this point. y A eiirved bracket arm 13 risin- -'trom ttle body -9 is formecl at its oiite 'r end with ,i ri interiially thi-e,@ided vertical hvtb 14 to recei),e the screiv sh,,tft -J'.5 eqiiipped with l'i.,,ncl wheel 16 through which the clamping liead 17 is actuated. The i-iovel device throll(,,h ivliich a n-ioderate I)resstire of fixeOL 50 degi-ee, is @ipi)lied to the head incILides, a flaiige,-l beai-iiig, blocl@, or ciip IS con@Rne(I between the lower rotip-decl end of ti-te shaft 15 qnd t nut 19 ,@.i,-d ,vasiier 20 carred b)T the loiver end of a retainiiig rod 21- e@xte-iidin!@@ t7ci.,,illy therethroligh and provided at its tipper end -",ith a retaining bolt, aiid also iiiel-Lides a spriilg 22, se@i,ted on ah aiiniilar shoiilder 2'0 at tl-ie ],-ottom of a centi,al 60 chamber formed ii-i the hub 24 of the spider ,irms of the cl,,Lmp;.ng head a-.id surrounding fhe cup 18, tl-ie tii)per encl of @Lhe spriii 9 bc!ariii- aqai-,ist. tl-ie 41aiige of such cup. For 11 purpose which Nvi.11 late,.,@ beexlalained the that the hand wheel illustrated, aiid iti-iiel-i I preferabl.IT employ, is of relativel)7 cliameter, intencled to b-e t-Lirned by oiie hand, instead of the -Lisual lar(ye i-vl-iee' adapted to be gripped with botli liincls @iiicl o ttir-Tied witli excessive f orce. For the pii,@:pose of eiiablii-ig thG, to be used either with a, die liavip-cr -) eircul,,tr testin(y orifice of standard area, or ith a die, iavi-@io- an elonlaitecl oriiiec a'L- 75 Ay fording coi-iijiirative iiidic@itions o-@' the ctrenqth oi' fi-broiis papei- @-TailFve,.'sely or long@'Ituclir.,tlly of the gei-ieral Oii-ecl--ion o@ the fibres as describecl in m37 pen,-Iiiifr ,pplication filed December 19th, 1921. Seri:il S( 'i\To. 523,308. I hq @,e I)rovided tl-ie Lin I OLorsicle of the'elamping he,,td with a dovet,,tilecl bed formed to receive Lny selectecl interchaT-i(-eable die I)Iate 25, - vl-iieh m,,iy be of Pitl-ier of the forms mentioned, or Pny ol@lier fol iii desired. It will be noted. however, that thc- orifices in t,he elon(yated ; clie illusti-atecl NNithin the margin zn of the orifice in the table 9 and the upwlrdly extelidilIEf ctelitral port,ion of the diaphragm lyino- iii such last mentioned orifice, and 'ciii.s is als(@, t'll-@ case Nvith the eirculir ope-@iing of slandard size, indicated by the do'@lted line a in Fi(r. 3, qnd the elliptical or oval outlil,-e iiidicate-,l by the dot'Lled lin,-- in Fig. 5. 13y coiiiparison with Fig. 6,)-vliieh iiiiist-rates the type of' cliphragm and suppoi-ting table heretofore used in the Mulli-a tester, it ivill be seen that the diaplir,,,,,gi-ii 10 of the present m,,tchine (-which ,ts bef6re statecl is of somewha'L- harcler ri-ibber tiia,,i the iisuti dil)lii-agm, i-iiarl@:,-d A iii s,,tid Figtire 6) -works, Niith its upper s,,irface iestiTl,)- at zero presslire tga;nst the m,,iteriql, aiid 105 in tendin(, to expai)cl its stre'ucliiii@r .,,ili e:-- pppsive a'etion is r-ot iliterfei-e,-l )A'itti ii-i ,),@@iy iaapner bv c). rigid margiiiil shie'-Id, 9.s ;t ' I is by tl-te ir-,aer po,,7'u;.on of the aii@, (,,ible iiiember B of the ordiiiary niachi.ne illi.istrate-d in Ficr. 6. Tl:ic porl."Lon of my noiel diapb.ra(ym free to ae'@ a,-at 'iist the p@-.per is lircrer th.-,n i-,i the I)rioi, conEtructioii nie,- ,iti.oped, aiicl ti-ic thiis ot)era,-es throu(,h the paper clirectly against the (lie of @li(, el,.tmping head some distance oLi.'Lside the Iii-i(, o@ the o-rii'ice. Since the liquicl iised i.n tb.e iiiacli'@.iie i,--l put under coiisideroble press-tij,e j--i ii-tal@iti, tests, it occasionallv ha.--) ens thit there i@-, 12"@ @p some ie,,-tLTage a-,-id 'I)eeaus.- of this, Nvl)el'i tlj.e piston is retract-Icl to sttrtiii- positioii tl.e diphi@agiii may sag below i'Ls nol,ml] tiorizontal postioii, fILish wit-li lu-Iie surf,,,ce of the table. To provide for reP'el-l-SI-1- 12.1, iile-nt :of -tlie liqliicl in sulch case I e-m- -,,Ioy ,in LF,,hapecl refilli-il-,o,@ pipe 26, tIT@e slio,@te,@ leg o' which has a s,-,.e-w-@- reacle,-l conneeLi6ii Ix@ith tl-le body member 3 of tl-ie inaliub 1,4 of th-e si:)ider i-s exteriorly tlireadecl chiii'e on vvliieh it may be tui.Iii(,,-l as a loi-vot 13( to receive a screw rino, 24a It may be noted a4cl@ the, longer leg of which is equ ped I P