IMAGE EVALUATION TEST TARGET (MT-3) ^,■«^ // Âilie ^ /i^>«^ ^^<^ 4^ 4^ •\ .?fe A' ■ r US 120 II !' 6;' •s [b)logiaphic Gôfpâradoo ^ ^" ■S? K\ 23 WBT MAM STIWIT ^T^ ^V ^cv 4^ ' ^ mé)t73-4S03 '." '. '" > :. . -• : j - ... ; .■ • , — : : ■ :'. . ^ . : . . ■ , ■„■ ■■'■'•■ ' r *■■.■■--..■ . ■ ' •.-■-■* va" M ''.-,■'■■ ■ * .■ 5-5 CIHM Microfiche Séries r ■ *V (iiflotiographs) ICMIH Collection de microfiches ^monogra()hie^) # ^ >v->^- fk-^ •.*• , .i^\ Icanadian Institut* for Historical Microreproductions / Institut canadisn de microreproductions historiques > V ..*' V i: ) ,3$ Ttchnical and Bibliographie Notas / Notas tachniquas at bibliographiquas Tha Instituta has attamptad to obtoin tha bast original copv availabla for f ilming. Fiaturas of this co^ which may ba bibliographically unique, whicb may altar aijir^ of tha imagM in tha raproductiori, or which may tignificantly changa tha usuki mathod of f ilming, ara chackad balow. □ Colourad covars/ Couvartura dacoulaur D Covars damagad/ Couvartura andommagéa □ Covars rastorad and/br laminatad/ Couvartura rattauréa at/ou pailiculte n D n Covar titia missing/ La titra da couvartura manqua Colourad maps/ Cartas ^iographiquas an coulaur Colourad ink (i.à. othar than Mua or Mack)/ Encra da coulaur (i.a. autra quh^llilaua ou noira) > » □ Colourad plataiind/or illustrations/ Planchas at/ou illustrations an coulaur n Bound with othar mataVial/ Ralii avac d'autras documants □ Tight binding may causa shadoivs or distortion along intarior margin/ D La raliurà sarréa paut causar da l'ofrfbra ou da la distorsion la long da la margt intériaura Blank laavas addad during rastoration may appaar «vithin tha taxt. Whknavar possiMa. thasa hava baan omittad f rom filming/ Il sa paut qua cartainas pagas blanchas aioutéas tors d'una rastaiiration apparaissant dans la taxta, maii. iorsqua cala était possiMa. cas pagas n'ont pas été f ilméas. m: L'Institut a microfilmé la maillaur axamplaira qu'il lui a été possibla da sa procurar. Las détaAs da cat , axampTaira qui sont paut4tra dniquas du point da vua' . Mbliographkiua, qui pauvant modif iar una imMa raprôduita. ou qui pauvant axigar ùna finfodlfiution dans la méthoda normala da f ilmage sont indiqués ci^dassous. □ Cotourad pagas/ Pagas da coulaur \ ■ .' . ' □ Pages damagad/ jfiagas andom m agéas ^' □«Piigas rastorad and/or laminatad/ Pagas rastauréas at/ou palliculéas Pagas discolourad. stainad or foxad/ Pagas décolorées, tachatéas ou piquéas □ P»ges datachad/ Pagas détachées 0Sho«vthrough/ ^ Transparanca ■ » □ Quality of print varias/ Qualité iné^la da l'imprassion □ Contînuous pagination/ Pagination continua D Includas indax(as)/ Comprend un (das) index TitIa on header takan f rom: / Le titre de l'en-tlte provient: □ TitIa page of issue/ ^ Page da titre de la livraison D n Caption of issue/ Titre de départ de la livraison Masthaad/ \ % ' Générkiue (périodiques) de la livraison y Additional commanu:/ Commentaires supplémentaires: Dockot tftl fi rat page e page 1s on fiche. bound 1(1 •s last page In -book but flland as M • • ' This item is f ilmed at tha réduction ratio chacked J^^pi^'^^ Ca documant att filmé au Uux da réduction indiwSo-OMSOus. . ■ ° . ' . •■ ' ■ . ' . • 10X 14X 18X 22X — ■ ■ -j 26X 30X r "-*: * / • y 12X 16X 20X 24X . 28X 32X 1 -s. > > sabji , ,5»».!' » é r , r fue th« eopv fiim«d h«r« has bMn rsproducad thankt to tiM 9«n«rotity «fr / Libraify of th« NationtI -~ Archives ofCarad» Th« imag*» appaaring hafa ara tha baat 4uallty poiÉyiblé eonaidartfi9 tha condition and lagibility of tita original copy and in kaaping with tha filflfiing contract apaeifficationa. ■■■."■ ■ ■ ■ 1 " ■ ■ ' Original eoipiaa in printed papar eovara ara fllmad baginning with tha front eovar and anding on tha laat paga wiiïi a printad or illuatratdd impraa- aion, or tha hacH eovar whan àppropriita. Ail ^ othar original eopiaa ira fHmad baginning on tha_ firat pago with a printad or iliu^tratad impraa- aion. and anding on tha làat paga wIth a printad or illuatratad impraaaion (maaning "CON- TINUED"). or tha tymbol ▼ (maaning "END"), whichavar appliaa. Mapa. platia. eharts. etc.. may ba fUmad at différant réduction ratioa.^Thoaa too large to be antiraly included in one expoaura are fNmed baginning in tha upper left hand corner, left to right and top to bottom. aa many framea aa raquired. The foHowing diagrama illuatrate the methotf: , Un dea aymbolea suivants apparaîtra sur la dernière imege de chaque microfiche, selon le céa: le symbole «^ signifie "A SUIVRE", le , aymbole V signifie "FIN". Les cartea." planches. tabl '■ M .*■..''■■ » . • ' . ■ :*»ï^îi3f tT^21!7 ajii * •^« Si:V3KJ)(j;' C^LAîw^K '■*•. SPECIFICATION »:1 «,."■"*■ .y SECOND-CLA8S COACH GREAT WESTERN liAILWA Y. \ \ X THE BODIES. • • ■ Each Coach is to consist of three bodiés, or comparttncnts, as rcprescnted in >the annexed drawing, the extrême length^ outside mcasure, being IG feet ; the length of éach* body, insidet ô feet 1 inch; the breadth, 8 feet 31 incliek; and the height from floor ta roof, 4 feet 9 inchesj ail kiside measure. The frame- work of the bodies must be made of \yell-seasoned {ish, of the following dimensions: — For the bottom sides,, 2'/ niches by 4i inches; standing pillars (20 ft) ail) at the four corners to be straight, and Si inches square ; at 'the other corners.and doorways, 2i inches sjjuare ; tJ»c toif rails, 21 inches by 1 i inch ; the cross bars for the two ends (4 in each), 2! niches by two inches, with battens of ash between, 21 by I i inch, and not less than IG of them at eacli end ; the cross bars across the divisions («ne for each), 21 by I inch ; the seat rails (10 in the threc bodies), 1 1 inch l)y 21 inches ; the hoop sticks to support the roof (4 in the two end bodies, and 3 in the middle body), 21 inches widc by 2 inches thick ; the flooring to beof the best battens, 1 1 inch, platcd underneath with fourStrap ])lates of wrought iron, I î inch wide by \ inch thick from end to end, sccured by about 1 50 clip-headed bolts ani nuts ; a chamber to bc formcd to thç curve of the wheel over each wheel, as'snewn in the section, to be secured to cross stays, and so formed as to allow not less than 4 inches clear action for the body to descend af ter ' the weight of the empty carriage is upon the springs ; the divisions between the bodies of American red pine, i inch thick ; seat-boards of the same, 1 inch ; the roof of the same to be i inch, tobe covered withblack glazed floorcloth ; to beproteoted on the top with ribs of ash, 2J inches broad by i inch thick, screwed on at three inches apart. The'roof to bebound with a beading of ash 1 1 inch square, screwed yon and projecting so as to allow of the rain to drop clear of the panels. The roof to be fenced along the sides and ends with luggagc rails of iroiï, i inch diameter, aupported at interyals of 2 feet with uprights of 5 inches high. Tiie whole of the oxterior of the coach to be panelled with wcll-seasuned mahogany panel boards '4 Ji ; inci» tliick ; tlic pands, lnjforc being lixcd, to lie covercd with canvass ^liicd on, iiiul «lien 4ixcil, wliich inust bc done with coppcr sprigs, onc inch apart, tliey iiUist liavc glui'd (in tliem a second lining of canvass. lirass door and aide handle». The windo<»'s, imc ta eacli door, to let do\vn, to consist of four panes of not Ie88 than 9 inches square èàch, of good plate glass, nwt less than ,ginch thick ; the frames to bè-made of well-seasoried ocOc. and varnished, and fitted with springs and pads, sb as notto raltle ; small leather |)ads, stuffed with horse haïr, to he put at the bottoni of tlic glass stop, for the glas^ to fall upon when let down. Tlic painting to consist of three coats of white léad, or colour, and four coats of . lilling-up ; after l)eing ^^^;J1 pumiced, the body to roçeive two more coats of tlic samc colour, and is tlicn to be finishéd with two coats of a colour to l)e approyed by the Engineer : the upper frame-work of thè quarters to fite painted black in like manncr, and the wliole l)ody to be varnished with four coats of the best vamish. The panels are to be picked out and lettered in a lighter colour, and ornamented in the centre with a coat of arms, or other devicç. The bodies to bb tirmly iixed upon the undcr carriage, with strong bolts, secured with nuts ; the whole of the workmanship to be strong and substantial, eciual in every respect, in style ahd éxecution, ta that of the coaches the most recently built by the London and s.;- Birmingham Railway Company. Tlie whole of the Iron work to be of the liest c|uality. Screws to bc usèd throughout instcad of nails, ^The Ktting-up and painting of the inside to be extra work. - UNDER CARRIAGE FRAME. The plan of the under carriage frame will be seen by the anncxed drawing ; - its extrême length is IG feet, the buffers,. when at rest, extendihg 9 inches beyond ■ at cach end. The whole must be made of well-seasoned ash, of tho following dimensions ; the carriage sides, (AA, Fig. 1,) two on each side, each in a single lengtli, the upper one to be three inches square, the MMpni one three inches by four inches, the two coupled together vertically by six ash blocks {ce), and by ^ wrought iron straps (an) and corner plates (bb), eight of the former in each carriage, weighing together 2qrs'. 24lbs., and eight of the latter, weighing together, aliout I cwt. The ends of'the carriage consist of two pièces of ash (BB) at each end, extending from side to side, 3 inches square, and 3 inches by four inches, the same as the sides, morticcd together as in the aides, and with twb upright blocks (CC) t)f ash. The frame is strehgthened by four diagonal and two centre cross stays of ash, each 3 î inches by 2J inches, the latter extending from the lower carriage side, with a solîdàshfloor, of not less than 1 i inch thick, iixed between them, and extending across, the whole secured^ together, as well as to the carriage sides, by strong angle plates of wrought iron, and plated at the corners with wrought iron i inch thick,' 21 inches wide, fixed on with i inch bolts and nuts. The tifo centre cross stays, and the whole of the lower carriage sida (Fig. I, F), must be plated throughout on one side wi^h wrought iron l inch thick, and 2t inches yride, iixed in the same manner as the corner plates, with bolts and nuts. The weight of the plating will be aliout 2cwt. 3qrs., and that of the bolts and nuts (about 420 of each) •t-H -l .1: \- Icwt. 3qr8. 141l)s. Four axie, gunrda of wrouglit iron, to be firmly fixed to the carriage aides by bolts and nuts in exact square with cach other, at the distance of 6 feet from centre to centre. The'steps (S), three to each door, 18 in ail, having a tread of 12 incbcs by inches, must be iitted in like manner to the carriage sides. There must be 8 steel plates i irich thick, and 5 inches by i3 inches, screwed upon the undei- part of the top carriage sides, for the extremities of the side or bearing springs to bear and work upon. AU the iron to be of the best qucility, wcU and neatly wrought, iiled, and titted ; the framing to .be Krm and substantial, and to (te in every respect, of quality, of workmanship, of materials, ..equal to the most approved and recently-built carriages on the London and Birmingham Railway. The carriages to be painted with five coats of paint of the colour corresponding with that of the bodies, to be neatly picked out, and finished with two coats of the best vamish. The wheels, axles, axie-guards, and brasses, will be fumished complète by t)ie Company, to be fixed to the carriage by the contractor. . ' ' - « ' #■•.■.' BUFFERS AND DRAWING APPARATUS. Fio. 2. This upparatus, which is arrangcd to answer both purposes, consists of a triangular frame (FFF) at each end of the carriage, formed by a cross pièce of wpod and two rods (GG) 1{ inch dlametcrf connccted by a joint with the slings (HH), which act upon the main springs, and work through a strap or guide (L), in the centre, and with guide rods (KK). The dimênsioijs of the slings, rod, &c., are shewh , ii> the cnlarged drawing. ' • N Tlie springs, which arc 5 feet long, consist of 15 plates, of k inch steel, and 3 inches broad, with two strong straps, at 4 inches apart, and between which the \ slingà work. '^v \ The springs arc connccted at thcir <^|||mities, and work against two steel , pVtes XPP)i fixed to the ash floor before desIfclbeSl "ilie pailr of springs complète to weigh 2cwt. Sqrs, "V, SIDE, OR. BEARING SPRINGS. The four bearing springs to be 4 feet 9 inches long ; to consist each of 18 plcites, of 4 inch steel, 3 inches wide ; the four to weigh 3cwt. gqrs. Thèse springs bear upon the brasses by means of a rod, which passes through the lower carriage side. The springs to be forced into their place so as just to bear the weight of the empty carriage when the spring begins to leave the lower carriage «ide, proper flllowance being made for the spring taking a set when first used. - The whole of the steel of the buifer, as well as of the bearing springs, to be of the very best quality and well tempered, and ail the iron work to be of the best quality, neatly wrought or well turned or filed as the case may reqùire, and well fitted and pain^çd, and put together in the best style of workmanship. Breaks will l)e furnished as an extra. " / ■■ ^ . I, w'^vfmmiimfw^imfmmmmmmit «■PP'"'^""WIIPIiPiiliii! m .\ '^•■^ -j- fi' ■A. 5 ^i •^r f^— ^«„. \ ■■ * ■ ' 1 1 r n ■ .v.*,. 1 ^ m r • ■,•■-■ < \ * ■ \* ■ ' ' / '+■■' ■ : "^ N '■■'<.} ■i ■ ■-* —^ . '■ ' ■ ' 1 ■■:^^ ■"--. / ,,.,J"'' ■ • ■ \ ' , '' \ 1 : ' — . " • n \ ^ i . . . ■ < .;.,/ . ., ..«';.,,/■ ■ ■ ■ --.' ■ .; ■■;'H'' ■ ■ - .■'•■. ■•■..r.: ■ -. -., ,-, :,:.;,, ^. . ■., - ■.■ . t ,-„ ;. • - ■ . . V . ,. . ^^ ■ 5' '^ ^^ ^ ^i^ --' . " . '■ - .'■■>.,;■■ '^ -, ; ;:''' -< !