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 IMAGE EVALUATION 
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 6 
 
Keystone Spring and Metal Works. 
 
 K. W. Blackwell, 
 
 Manufacturer of 
 
 Spiral and Elliptic Springs 
 
 For Railway Cars and Locomotives, 
 
 Corner Canal and Conde Streets, 
 
 Montreal. 
 
 K. W. Blackwell. Soecial Par tners. I ^^^'^^' S^°«- 
 
 I Charles T. Schoen. 
 
 Sole Agents in the Dominion for Ajax 
 Metal Co., Philadelphia. 
 
•WBBBP 
 
w 
 
 Montreal, September, 1883. 
 
 'E call your attention to our Catalogue of Elliptic 
 
 and Spiral Springs. 
 We use the best grade of Crucible Steel worked 
 by the most approved methods and machinery, and by 
 Skillful Workmen. 
 
 We stand pledged to a high standard of excellence 
 in the Quality of our product. 
 
 Each spring is thoroughly tested and inspected 
 before leaving Works. 
 
 All ^^prin«4•^s Warranted 
 
 /i^'^iVdm 
 

 Car and Locomotii^S'prings. 
 
 Warfantei 
 
 
 Any shape, size pt ^^pi^tty made to order from drawings 
 
 ^r specifications. 
 
 J 
 
/^ 
 
 Passenger or Baggage C^ feljiptic Springs. 
 
 Double, Ti^iflIs^^r Quadruple. 
 
 Made of any i^^u'^e^ length, height or capacity. 
 
 xV \>^ • . 
 
 A*]xniaM:y joiates, or not, as desired. 
 
.A, 
 
 Freight Car Elliptic Springs. 
 
 Made of am^Mzfe^or capacity required. 
 
 > 
 
 v> 
 
Locomotive §;^pgs. 
 
 
 W^franted^ 
 
 Made fronidrawihg^ or specifications of any shape 
 
 or style. 
 
Graduated Bolster Spring, 
 
 No. 17. _\ 
 
 United States Patents: August i6, 1881 ; Janu^r/^ ai^ 
 Canadian Patent: May 6^1882. 
 
 1,1882. 
 
 Length, . y- ^7 n 
 
 Width, .^ -^^8^ 
 
 Height, to 4iieet specifications. 
 
 Capacity, \ . \46,ooo lbs. each. 
 
 , j,^\^^ motion of this spring is as soft under an empty car as when 
 loaded with fifteen to thirty K^ns) 
 
 It is the STRONGEST Bblst^ Spring made. 
 
 It has LESS TH)^^«AL*i• the dead weight of EUiptics. 
 
 It is aboirt^of^ hXlf the price of EUiptics. 
 
 The Jjib^oU is gnaranteed better than Freight EUiptics. 
 
 It is now^ D^e on all the leading railroads of the United States and 
 Canada, 19 th'pit' entire satisfaction. 
 
 The ONLY spring made that will carry an empty car as easily 
 
 AS WHEN FULLY LOADED. 
 
«3 
 
Graduated Bolstef>5 
 
 NO. 1^;\V 
 
 United States Patents : August i6, 1881 ; Janua)^ 3 and March 21, 1882. 
 Canadian ^rftent : May6,j«8z. 
 
 I 7 inches. 
 8>^ " . 
 meet specifications. 
 40,000 !t)s. each. 
 
 Fop filate^'iefnoved, showing difference in length of coils. 
 
 M 
 
\ 
 
 15 
 
Graduated Bolstei^^^ng, 
 
 No. ^<\ V^ 
 
 Malleable Ylat?es. 
 
 United States Patents ; Angus 
 Canal 
 
 LengthO^ 
 
 widthVv 
 
 city, 
 
 January 3 and March 21, 1882. 
 ay 6, 1882. 
 
 17 inches. 
 8 " 
 . as required. 
 40,000 tbs. each. 
 
 16 
 
 ■^"o-mmmm 
 
17 
 
Graduated Bolster 
 
 No. 24. y.\ 
 
 Malleable Plates. 
 
 Penn^wlvaXia Railroad Pattern. 
 
 United States Patents : August i6, i88x ; Januahr 3 and March 21, 1882. 
 Canadian Paftnt : May 6^862. 
 
 Length, 
 
 Width, 
 
 Height 
 
 C^Wit5^V . 40,000 ft)s. each. 
 
 This 0at*e>n \vHth lugs on lower plate has been put in service 
 on the (^Wi^^)4^ania Railroad and roads operated by the Penn- 
 sylvani^om^ny, for twenty-five ton cars. 
 
 18 
 
»9 
 
Graduated Tender imping, 
 
 No 21. 
 
 United States Patents; August i6, 1881 ; JaiVuaKy 3 anityM^ch 21, 1882. 
 Canadian Patent : Mli^ 6, i8ml 
 
 Length, .y^ . ^20 inches. 
 
 Width, X .\^.^ 9 inches. 
 
 Hcight,<^^^)to\meet specifications. 
 CapcTcih(, \ V 50,000 lbs. each. 
 
 This is thji S4:RaxaEST and best spring made for the purpose. 
 
 Ouai^rlteM^to. carry the varying loads of tenders with an 
 \^ )eKsy motion under all circumstances. 
 
/*- 
 
 A> V 
 
 Graduated Tend^r\<Spring, 
 
 No. 20-: 
 Malleable PlateV 
 
 United States Patents : AiiKust i6, ;i»6i ; January 3 and March 21, 1882. 
 Canadtiui PatefH: May 6, 1882. 
 
 Length, \J-C\' . 20 inches. 
 
 3f(it) ^ to meet specifications, 
 ity, . 50,000 tbs. each. 
 
 23 
 
■/Qrt-AHUES^^SCOTr 
 
 *3 
 

 Graduated Tend^r^pi^i^g, 
 
 No. 2&: 
 
 Malleable Plates 
 
 Bennsylva^ia Railroad Pattern. 
 
 United States Patents ; August .&>,p^i : January 3 and March 2., t88^. 
 Canadl^^ PatenV; Iway 6. '882. 
 
 20 inches. 
 
 2 
 
 81/ " 
 
 Lengthy 
 
 Hfii^V, ■ to meet specifications. 
 ^O^a^ity, . 50.000 fos. each. 
 
 94 
 
Graduated Bolster or :i:^er^Sp rings, 
 
 No. 2C_^ 
 
 United States Patent : March 2^. .882. Canaj^n Patent : May 6. 1882. 
 
 Length, \. X/ 1 2 inches. 
 Width. O-W . 10 inches. 
 HeiglitNV. • a^ required. 
 Ca^)^t^, to meet specifications 
 ^C^Hibm 10,000 to 40,000 lbs. each. 
 
 26 
 
Single Coil Equalizing Spri 
 
 Pennsylvania Railroao'nStanpa^d. 
 
 Diameter, 
 Heiorht, 
 
 United Stat s Patent : J^miaty 3, "I82. 
 
 X- 
 
 8 inches. 
 
 X \/ . as required. 
 
 Capacity, \i/'.\ to suit weight of car. 
 
 ■^ \V 
 
 Range of motion cj^eatek, 
 Quality of fHonyn better, 
 
 \^^\, Than in any other Equahzing Spring made. 
 
 28 
 
Single Coil BolsteKjSpring, 
 
 [O. iC-^ V 
 
 N< 
 
 United States Patents : ^<igust 16, i88f>sfid January 3, 1882. 
 
 Diamet^rrCX . \^. 9 inches. 
 Height, ^^t^ meet specifications. 
 
 Cap\city\ . ' 35,000 lbs. each. 
 
 ,\i 
 
 y 
 
 otion very soft and slow. 
 
 30 
 
3« 
 
Two-Coil Bolster Sprkjg. 
 
 Malleable Plates 
 
 No. 10. 
 
 PENNSYLyAmA R 
 
 United States Patents : August i6, iHSiTany January 3, 1882. 
 
 ROAD Stan DAK I), 
 
 Diameter, \> . 8 inches. 
 Height, /^\^ N^. as required. 
 Capaclty,\ ) . 35,000 tbs each. 
 
 \ \ 
 This spring in<;orhieR|iolnwith Graduated, No. 24 (pages 18 and 19), 
 
 are^iioNv Kse^ almost exclusively on Pennsylvania 
 
 Railroad twenty and twenty-five ton cars. 
 
 Motion very soft aiid slow. 
 
 32 
 
33 
 
Graduated Three-Coil Bilker Spring, 
 
 Np. 227) 
 
 United States Patenti^e-issued February a;, 1877. 
 
 Dlam^&^K\> . 9 inches. 
 HeightN v^ . as required. 
 
 "Ca^^t^, . 35,000 ft)s. each. 
 
 34 
 
\ 
 
Graduated Three-Coil B 
 
 No. 22. 
 
 nn 
 
 Sect 
 
 United States Patent Re-issucd February 27, 1877. 
 
 Diameter, a^^ \>' 9 iriches. 
 Height, ^^^X^/ as required. 
 Capacity. \/ . 35,000 tt)s. each. 
 
 ^l Hew, showing difference in length of coils. 
 
 > 
 
 36 
 
37 
 
 m 
 
Narrow Gauge Bolster^ting, 
 
 No. :(r^'' \^ 
 
 United States P;«teiit August^^'iSSi. 
 
 Length, iv \.> 11^' inches. 
 
 Hel^liL, to meet specifications, 
 Ga^a^bky} 1 2 to 1 5 tons load. 
 
 Two coils in a case. 
 
 38 
 
39 
 
 I 
 
-A 
 
 Three-Coil Bolster Sp'niig. 
 
 No. ^ 
 
 United States Patent August t6,)i88i. 
 
 Length, x,^ X? ^v 1 1 ^ inches. 
 
 Width, <X\/' ^ ^^ " 
 Height, \ Xp meet specifications. 
 CaJ>abityV twenty tons load. 
 
 Three coils in a case. 
 
 J 
 
 40 
 
41 
 
taiMlHiainMH 
 
 
 Union Bolster^OTing. 
 
 No. liv- — ^ ^ 
 
 Diameter, \> io)4 inches. 
 Height, . >|t(>nie^t specifications. 
 Capacity, O) twenty tons load. 
 
 v^ 
 
 ,-,. ^Composed of nine coils in a case. 
 
 \. 
 
 v> 
 
 4* 
 

 Round Bar Spiral BQl^b$Spnng. 
 
 Length, . ^^ . qj^ inches. 
 Width, . V- ^ 9 
 Height, < Vo^xm^^t specifications. 
 Capacrt3(, \/) twenty tons load. 
 
 \ 
 
 Cpntpos^d of three double coils 
 
 in a case. 
 
 44 
 
45 
 
/" 
 
 Single Coil Dr^w^prmgs. 
 
 Diameter, 
 
 5 inches. 
 . as required. 
 
 H eight, O 
 
 Caoacky. VI 6,000 to 18,000 fts. 
 
 ^dl^X^f any size, to suit draw-bar. 
 
 46 
 
47 
 
Two-Coil Dr^^|) 
 
 Diameter, <. ^5^ to 6 inches. 
 Height, KTYNv^ . as required. 
 Capacity. X/T 6,f ^oo to 20,000 ft)s. 
 HoieN)/ any size, to suit draw-bar. 
 
 48 
 
49 
 
<.v 
 
 Nest SpiraK^niig. 
 
 Diameter, ^. 
 
 HeightK^ 
 
 Ca 
 
 as required. 
 
 tl u 
 
 • ( «• 
 
 f any size or number of coils requi, id. 
 
 5" 
 
i^ffrsgyf-sagsg^y^-gji^.':---.^ -"■ -^ -"' 
 
/•■ 
 
 Round Bar Equalizring S][)ring 
 
 For Narrow Gauge Cars. 
 
 / 
 
 Height, 
 
 Diameter, 
 Capacity,\ 
 
 ^ 
 
 as required. 
 
 V 
 
 'Either one or two coils. 
 
 54 
 
Keystone 
 Duplex Hydraulic Testing Machine 
 
 Shows accurately the capacity, quahty, and range of motion of 
 all kinds of car springs. 
 
 The advantages of this machine over all others are, that it is 
 The best and strongest made ; 
 The simplest in construction ; 
 Is less liable to get out of order. 
 
 Capacity. — Will test springs to 6o,cxx) ibs. 
 
 More of them in use by railroads in the United States than 
 of all other makes combined. 
 
 56 
 
Sole Agents for the 
 
 Dominion of Canada 
 
 for 
 
 Ajax Metal Company, 
 
 Philadelphia. 
 
 Brasses. 
 Babbitts. 
 
 Bronzes. 
 Solders. 
 
 58 
 
Press of 
 
 Times Printing House, 
 
 725 and 727 Chestnut Street, 
 
 Philadelphia. 
 
 f 
 
II 
 
 I