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FREIGHT LOCOMOTIVE, "MOGUL" PATTERN,

For the Dom Pedro Segundo Railway of Brazil. Gauge, 5 feet 3 inches.
Fuel, Bituminous Coal.
Cylinders.

Diameter.

Stroke of piston

Length of steam-ports
Width of steam-ports
Width of exhaust-ports
Travel of valve

I ft. 6

inches.

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Number of tubes

Length of tubes

Length of fire-box inside.

front sheets .

Thickness of flue-sheet

Square feet of heating surface in fire-box

Length of main crank-pin bearing.

Outside diameter of smallest ring of boiler
Thickness of boiler plates (iron)

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Outside diameter of tubes

Width of fire-box inside

Depth of fire-box inside

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Thickness of fire-box plates (copper) side, back, and

Thickness of crown-sheet (steel)

Square feet of grate surface

Square feet of heating surface in tubes
Total square feet of heating surface

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Diameter of main crank-pin bearing

Boiler.

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Tender.

Number of wheels

8

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PASSENGER LOCOMOTIVE "AMERICAN" PATTERN.

For the Pennsylvania Railroad Company.

Constructed in accordance with drawings furnished by the Company. (Pennsylvania Railroad Company's "Class C.") Gauge 4 feet 9 inches. Fuel, Bituminous Coal.

FREIGHT LOCOMOTIVE, "MOGUL" PATTERN,

For the Dom Pedro Segundo Railway of Brazil. Gauge, 5 feet 3 inches. Fuel, Bituminous Coal.

Cylinders.

ERN

PASSENGER LOCOMOTIVE "AMERICAN" PATTERN.

For the Pennsylvania Railroad Company.

drawings furnished by the Company.

Constructed in accordance with (Pennsylvania Railroad Com

pany's "Class C.") Gauge 4 feet 9 inches. Fuel, Bituminous Coal.

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SPECIFICATION "C"

FOR BOILER TANK CARS, 100 BARRELS CAPACITY, EMPIRE TRANSPORTATION COMPANY, ADOPTED DECEMBER, 1876.

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Ist. In these specifications reference is to be had to any accompanying drawings, and also to the sample car when furnished. These specifications to be followed when they differ from the drawings or car, and they and the drawings to be followed when they differ from car. Builders in all cases do, by contracting to build, agree to indemnify and save harmless the Empire Transportation Company from all patent right claims. The make and character of wheels, axles and springs to be determined by the Empire Transportation Company, and the said Company reserve the right to require changes from these specifications, drawings, and sample car.

Boiler.

2d. Capacity of boiler not to be less than one hundred, nor more than one hundred and one barrels of forty-five gallons each. No variation from this size will be permitted. The gallon referred to contains two hundred and thirty-one cubic inches.

3d. The material composing boiler to be as follows: The shell and dome (except as hereinafter specified) to be made of a good quality of No. 7 wrought-iron boiler plate, weighing not less than seven and one-half pounds

to the square foot. The heads of boiler, of like plate, five-sixteenth inches thick, weighing twelve and one-half pounds to the square foot; and such iron as requires flanging must be charcoal boiler-plate. All of the boiler iron composing the shell and dome must be guaranteed by the builders to be capable of resisting a tensile strain of not less than 50,000 pounds to the square inch. In these specifications, the Birmingham Wire Gauge is adopted as the standard for indicating the thickness of all plate irons. 4th. The boiler to be cylindrical in form, same as sample car. to be composed of seven rings, each ring to be formed by two plates of

The shell

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