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Maximum guage for straight lines and curves of more than 1,000 feet
radius.....

Maximum guage for round sharp curves.......
Minimum width of top table of rails..

Radius of

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Minimum depth of rails.....

Inclination of rails inwards............

from..

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24 ft. 9 in. 15 ft. 6 in.

1 in 200.

1 in 100.

1 in 40.

3,600 feet.
1,200
600

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depth of

1,800 feet.

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mountainous do....

600

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14

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radius of crossings and turnouts....

000

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JONAS S. HEARTT & CO.

MANUFACTURERS OF

RAILROAD CAR AND ENGINE WHEELS.

STREET CAR WHEELS,

G. S. BOSWORTH'S PATENT-Best in Use.

AXLES FURNISHED AND FITTED.

TROY, NEW YORK.

AGENTS FOR SALE OF

GEO. W. SWETT & CO'S.

Shaftsbury Charcoal Pig Iron.

PHILADELPHIA SMELTING COMPANY

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fice and Works, 244 & 246 South 21st Street, PHILADELPHIA.

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Providence Tool Co.; H. B. Newhall, Agent... New York.....

Rhode Island Nut Co.; H. B. Newhall, Agent

Winans & Co........

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...Buffalo, N. Y.

136

Chicago, Iil...

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124

.Philadelphia, Pa......
.Cleveland, Ohio.....

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36

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120

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

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Maximum wheel base for curves of 2,000 feet radius.........

Inclination of cone of tyres.....

Maximum breadth of tyre......

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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 ....

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....

18 feet. 1-20.

6 inches.

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Hart, Ball & Hart,

BUFFALO, N. Y.

WROUGHT IRON PIPE, FITTINGS, VALVES, COCKS, &c.

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

UNIVERSAL JOINT TELESCOPIC PIPE TANK VALVES,

FOR RAILROAD WATER STATIONS.

STEAM PUMPS and BOILER FEEDERS.

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MEMORANDA ON ENGLISH RAILWAYS.-2 PAGES.
Parliamentary Regulations for Railways Crossing Roads.

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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.
Dimensions of do., 7 feet 6 inches 6 inches X 32.

Intermediate posts, 3 feet apart, 5 feet 6 inches X 4 × 12.

3 0

ft.

in.

Broad. ft. in.

48

0

6

30

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43

6

45

6

24

6

29

0

Board of Trade ReguLATIONS FOR Railways.

Main Line.

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4 rails, 4 X 12.

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.

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