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Iron Pipe. A. Carr......................................................... New York............... ......See Page 244 Evans, Dalzell & Co..................................... Pittsburgh, Pa............... - 6 & 58 Hart, Ball & Hart...... ...Buffalo, N. Y.................. & 4 136 J. D. West & Co.............. • e o e o e e s e s e s o w w e o 'o e o 'o & o e " .....New York...................... 4 & 56 McNab & Harlin Manufacturing Co................ & 4 “ ................ to e o 'o o o {{ 220 Morris, Tasker & Co......................................Philadelphia, Pa............. 46 36 Phelps & Sanger........ e - e a see e s e s e e s e o e s see e. e. e. e. e. e. e. e. e. e. e. e. es Cleveland. Ohio........ e - e. e. e. e. “ 120 Iron – Railroad. See Railroad Iron. Iron Rods. Greene & Randolph....................................... New York.............. 0 0 ° - 6 - e. See Page 54 Marshall Lefferts, Jr. (Galvanized Iron)........ “ “ ......... ............. • $ 4 Rhode Island Nut Co; H. B. Newhall, Agent... “ “......... ....... to o 'o - e. e. £6 166 Iron--SheetSee Sheet Iron. Iron Shutters and Doors. Noyes & Wines.............................................. New York............... ......See Page 264 PRUSSIAN RAILWAYS.–2 PAGES. Regulations for Construction and Rolling Stock. RAILWAY 4 FEET 8% INch GAUGE. Minimum breadth of roadway, double line............... • * * * * * * * * * is e & to e o & 8 to e o & ..... 24 ft. 9 in. { % {{ single line.................... 4 - e o so o e o e o o # e. e o e o 'o - - ... 15 ft. 6 in. Maximum gradient, level districts 1 in 200. { % hilly districts I in 100. 46 mountainous districts.......... 1 in 40. Minimum radius of curves, flat districts 3,600 feet. {{ & 4 hilly districts ......... 1,200 “ & 4 & & mountainous districts ............................... 600 “ Maximum guage for straight lines and curves of more than 1,000 feet radius............................................................... ................. ....... 4 ft. 8% in. Maximum guage for round sharp curves............................................. 4 ft. 9% in. Minimum width of top table of rails 2% inches. Radius of {{ to { from............................................ 7 to 5 in. Minimum depth of rails........................................... • * * * * * * * * * * * * g e o e o e o so o ... 4% inches. Inclination of rails inwards.......................... 1 in 20, Minimum depth of ballast under sleepers.......... 8 inches. LEVEL CROSSINGS AND STATIONS. Minimum angle of crossing, with rails............................................. ... 30°. “. . width of channel for flange at crossings........................... ... 2% inches. 6 & depth of “ “ {{ * { * @ 3 & © to * * * * * * * * * * * * * * * * * * * * ~ * }% “ & C portion of level at statious, flat districts.............. * c e e o e o se e s p → • * * 1,800 feet. * & { % { % mountainous do........................ 600 “ & 4 distance, centre to centre of rail in station......... es e e s e ee e s e e o e to - © to 14 “ {{ radius of crossings and turnouts.......................................... 600 “ {{ “ for facing points at stations for through trains......... 1,000 “ {{ diameter of engine turn-tables e e o os e o e o e - e o e e s a to & e o o e o 'o e o 'o e o o o • e - 38 “ { % width of passenger platforms.................... & © o o e o is © e o to o t e o e o a to o &... 18 “ Maximum height.................. ..........................................------------ to e o 'o e & 18 inches. Minimum distance of pillars in stations from rails............................ ... 9 ft. 5 in. { % diameter of water-crane pipes.................................... to e s - e. e. e. e. e. 6 inches. & & height of fixed portion of water-crane above rails.............. ... 9 ft. 6 in. LocoMotive Sheds. Engine pits, in depth, from........................................ * - to do e o e e o o to e 2 ft. 6 in. to 3 ft. 6 in.

Minimum height of water tanks above rails
£ 6 & 6 engine doorways
& 4

4 & Width of .................................................. $6 height of the beams from rails 4. CARRIAGE SHEDS. Minimum distance of rail, centre to centre........ - - § { height of doorways............................................................. 4 &

Width of § {

e e e s t t of t w is s - e o 'o - o 4 to e o e o e o is a to e < * * * * * * * * * * * * * * * * * * * * * * * * * * * *** *

17 feet.
15 ft. 9 in.
11 feet.
19 “ -

14 ft. 6 in,
13 feet.
T 1 6 &

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G. E. O. W. S W E T T & C O’S. Shaftsbury Charcoal Pig Iron.

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Iron Tubing.

Evans, Dalzell & Co.......•......... • to g o & © o e os & e o to e o 'o e o go to o o Pittsburgh, Pa............... See Page 58
Hart, Ball & Hart...... .................................. Buffalo, N. Y.................. {{ 36
J. J. Walworth........................................... ...Chicago, Iil.................... {{ |24
Morris, Tasker & Co..... ......... * * * * * * * * * s o te e s is e e s e o e o e Philadelphia, Pa............. {{ 36
Phelps & Sanger........................................... Cleveland, Ohio............... {{ 120
Providence Tool Co.; H. B. Newhall, Agent... New York.................. .. { % 166
Rhode Island Nut Co.; H. B. Newhall, Agent “ “....................... { % 166
Winans & Co................................................ {{ “ . .................. $ e 106
Wm. Graff & Co ...........Pittsburgh, Pa.............. e {{ 174
Iron Wire.
Ansonia Brass & Copper Co............... New York...................... See Page 122
Atwater, Wheeler & Co................................. New Haven, Conn........... { % 10
John Merry & Co.......................................... New York...................... { { 48
Marshall Lefferts, Jr. (Galvanized Iron)........ 6 & “ ...................... $6 44
Sidney Shepard & Co..................................... Buffalo, N. Y.................. {{ 196
PRUSSIAN RAILROADS—CONTINUED.
LocoMotives, SPEED, &c.

Maximum wheel base of engines, with curves 2,000 ft. radius............... 15 feet

$8. { % § {. { % ,500 “ ............... 13 “

{{ { % { % {{ 1,000 “ ............... 11 “ Maximum load on one axle............................................................... 12% tons Minimum play of flanges of wheels.................................................... % inches

{{ clear space between wheels................................................. 4 ft. 5% in. Maximum projection of flange below top of rail.................................. 1% inches.

§ { width of tyre..................................... 6 inches. Minimum “ ................................... 5% inches.

{ % diameter of driving wheel for goods engine .......................... 4 feet.

{{ { % {{ {{ passengers’ engine.................. 5 “

{{ * { {{ {{ express engine........................ 6 “

{{ {{ leading and trailing wheel ................................ 3 “ Speed of goods train, per hour ... 16 miles. Passenger train, per hour........................................................ from 25 to 33 miles. Express train, per hour............................................... miles. Maximum pressure in boiler, per square inch..................................... 100 lbs. Proof pressure in testing boilers 150 lbs.

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Maximum wheel base for curves of 2,000 feet radius
Inclination of cone of tyres
Maximum breadth of tyre
Minimum {{ € $
“ thickness of tyre over rail
play for flanges
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Maximum “ ..................................................................
Clear width between wheels....................................
Maximum projection of flange from surface of rail
Minimum diameter of wheels
- { % se axle at nave, with 5 tons load per axle
axle journal, with 5 tons load
Length of axle, centre to centre of journal
Maximum length of journal
Minimum $ 6 { % .
Height of centre of buffers above rails
Distance of centre of buffers apart

{ side chains apart
Minimum diameter of buffers......................................... to e e s e o is e e o e e s e o e s is e

{ % rounded projection Maximum breadth of carriage

{ % $6 W8,0"OnS Maximum height of carriages and wagons

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12 ft. 4 in.

Hart, Ball & Hart,

BUIHTE AILO, N. Y.

WROUGHT IRON PIPE,

FITTINGS, WALWES, COCKS, &c.

All Sizes from 3% inch to 8 inch always in Stock.

UNIVERSAL JUINT THESCOPII PIPE TANK WAIVES

FOR RAILROAD WATER STATIONS.

STEAM PUMPS and BOILER FEEDERS.

Sounding Tools and Surface Pumps,

FOR COAL MINERS’ USE.

BICKFOR), (JRTISS & DEMING,

MANUFACTURERS OF THE

"B.C.&D." BELT and HDSE,

FROM PURE OAK LIEATHER.

AND DEALERS IN

Lace Leather, Rivets, &c.

53 & 55 EXCHANGE STREET,
B UF F A Lo, N E W Y O R K.

Iron Working Machinery.

Bolen, Crane & Co........ Newark, N. J.................. See Page 62 Buffalo Machinery Agency.............................Buffalo, N. Y.................. { % 160 Isaac H. Shearman * ... ...Philadelphia, Pa............. & 4 80 L. W. Pond........................................ Worcester, Mass............. “ 158 Phelps & Sanger....................... ë e e o e o e o 'o e o o to $ to e o so a s & Cleveland, Ohio.............. & & 120 The Atlas Works Pittsburgh, Pa............... 6e 172 The Pratt & Whitney Co........... # & e o e o & to 8 & © to e o 'o e o e o 'o & Hartford, Conn............... “ 143 Thorne, DeHaven & Co . .Philadelphia, Pa............ e 66 38 Wm. B. Bement & Son $$ “............. 66 168 Wm. Sellers & Co to o & © e o o o so to e is { % “............. {{ 64 Winans & Co.................................... New York...................... 46 106

- * , Japans. * * - /* Edward Smith & Co...................................... New York................. ...See Page 218 Valentine & Co • * - - - - - - - - - - - - - - - - - - - - - - - - - - $6 “ ..... to e o e o os e e s e e o 'o e • * * * $6 198

Joints.

Pittsburgh Bolt Co................ & e o e o 'o e o & © e to e o e o 'o o os e e s e Pittsburgh, Pa...............See Page 118

MEMORANDA. ON ENGLISII RAILWAYS.–2 PAGES.

Parliamentary Regulations for Railways Crossing Roads.

Turnpike Public Occupation Road. Road. Road. ft. in. ft. in. ft. in. Clear width of under bridge or approach....... 35 0 ...... 25 0 ...... 42 0 Clear heigth of underbridge for a width of 12 feet te 16 0 ...... - - . . . . . . — to Do., for a width of 10 feet........................... . - - -..... 45 0 ...... = ** Do., for a width of 9 feet - - , , , , , • *-* * * * * * * * 44 0 Do., at springing.......................................... 12 0 ...... 42 0 ..... e - to Over bridge. Height of parapets................. . 4 0 ...... 4 0 ...... 4 0 Approaches. Inclination 4 in 30 ...... 4 in 20 ..... . 4 in 46 Approaches. Height of fencing................... 8 0 ...... 3 0 ...... 3 0 . - Narrow. Broad. - ft. in. ft. in. Average formation width, single line.......... © o do & & © to e i e o 'o e e e o 'o e o e o e o g o * 48 0 ...... 24 6 6 & & & “ double line.................................. . 30 0 ..... . 38 0 Average width of top ballast, single line.............................. 43 6 ..... . 45 6 { % £ 6 “ double line................................... 24 6 ...... 29 ()

Formation slope from centre in cuttings, 1 in 30.
Width of land taken beyond bottom o slope, from 9 to 12 feet.
Ditch with slopes 1 to 1, 1 foot wide at bottom.

Quick mound, 1 foot 6 inches high.
Post and rail fencing posts, 9 feet apart, 3 feet in the ground. 4 rails, 4 × 1%.
Dimensions of do., 7 feet 6 inches X 6 inches X 3%.
Intermediate posts, 3 feet apart, 5 feet 6 inches × 4 × 1%.

BOARD OF TRADE REGULATIONS FOR RAILWAYS.

• - Main Line. Breaking weighth of cast-iron girders to be made = permanent load x 3 + moving load X 6. Wrought-iron bridges must not be strained to more than 5 tons per square inch when loaded with the heaviest engines. . Minimum distance of standing work from the outer edge of rail at level of carriage steps = 3 feet 6 inches in England = 4 feet in Ireland. Minimum distance between lines of railway = 6 feet. Stations. Minimum width of platforms = 6 feet. § { distance of columns from edge of platform = 6 feet. Steepest gradient recommended for stations = 1 in 300. Carriages. Minimum space per passenger = 20 cubic feet. “ area of glass per passenger = 60 superfleial inched. {{ width of seats = 15 inches. & & breadth of seat per passenger = 16 inches. {{ number of lamps per carriage = 2

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