Plates

PLATE IV.
DIMENSIONS, WEIGHT, ETC.,
OF
FOUR-WHEELED SWITCHING LOCOMOTIVE,
By the Hinkley Locomotive Works, Boston, Mass.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels None.
Number of Back Truck-Wheels None.
Total Wheel Base 6 ft. 9 in.
Distance between Front and Back Driving-Wheels 6 ft. 9 in.
Total Weight of Locomotive in working order 48,000 lbs.
Total Weight on Driving-Wheels 48,000 lbs.
Diameter of Driving-Wheels 50 in.
Diameter of Truck-Wheels None.
Diameter of Cylinders 15 in.
Stroke of Cylinders 22
Outside Diameter of smallest Boiler ring 44³⁄₄ in.
Size of Grate 3 × 3²⁄₃ ft.
Number of Tubes 121
Diameter of Tubes 2 in.
Length of Tubes 10¹⁄₂ ft.
Square Feet of Grate surface 11
Square Feet of Heating surface in Fire-Box 71
Square Feet of Heating surface in Tubes 580
Total Feet of Heating surface 651
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2³⁄₄ in.
Size of Steam Ports 10 × 1¹⁄₄ in.
Size of Exhaust Ports 2¹⁄₄ in.
Throw of Eccentrics 4¹⁄₂ in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve None.
Size of Main Driving-axle Journal 6¹⁄₂ × 7 in.
Size of other Driving-axle Journal 6¹⁄₂ × 7 in.
Size of Truck-axle Journal None.
Diameter of Pump Plunger 1⁷⁄₈ in.
Stroke of Pump Plunger 22 in.
Capacity of Tank 1,200 gallons.

Plate IV.

FOUR-WHEELED SWITCHING LOCOMOTIVE,
BY THE HINKLEY LOCOMOTIVE WORKS, BOSTON, MASS.
Scale, ¹⁄₈ in. = 1 ft.

Plate V.
DIMENSIONS, WEIGHT, ETC.,
OF
EIGHT-WHEELED “AMERICAN” LOCOMOTIVE
By the Baldwin Locomotive Works, Philadelphia.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 21 ft. 9 in.
Distance between centres of Front and Back Driving-Wheels 96 in.
Total Weight of Locomotive in working order 65,000 lbs.
Total Weight on Driving-Wheels 42,000 lbs.
Diameter of Driving-Wheels 60³⁄₄ in.
Diameter of Truck Wheels 28 in.
Diameter of Cylinders 16 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 48 in.
Size of Grate 65 × 34¹⁄₂ in.
Number of Tubes 144
Diameter of Tubes 2 in.
Length of Tubes 10 ft. 11 in.
Square Feet of Grate surface 15.5
Square Feet of Heating surface in Fire-Box 100.6
Square Feet of Heating surface in Tubes 825.4
Total Feet of Heating surface 926
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2³⁄₄ to 3¹⁄₄ in.
Size of Steam Ports 1¹⁄₄ × 15 in.
Size of Exhaust Ports 2¹⁄₂ × 15 in.
Throw of Eccentrics 5¹⁄₂ in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve ¹⁄₃₂ in.
Size of Main Driving-axle Journal 7 in. dia. × 8 in.
Size of other Driving-axle Journal 7 in. dia. × 8 in.
Size of Truck-axle Journal 4¹⁄₂ × 7¹⁄₂ in.
Diameter of Pump Plunger 2 in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,000 gallons.

Plate V.

EIGHT-WHEELED “AMERICAN” LOCOMOTIVE,
BY THE BALDWIN LOCOMOTIVE WORKS, PHILADELPHIA.
Scale, ¹⁄₈ in. = 1 foot.

Plate vi.
DIMENSIONS, WEIGHT, ETC.,
OF
EIGHT-WHEELED “AMERICAN” LOCOMOTIVE
By the Grant Locomotive Works, Paterson, N. J.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 21 ft. 9 in.
Distance between centres of Front and Back Driving-Wheels 8 ft.
Total Weight of Locomotive in working order 62,000 lbs.
Total Weight on Driving-Wheels 42,000 lbs.
Diameter of Driving-Wheels 61 in.
Diameter of Truck-Wheels 28 in.
Diameter of Cylinders 16 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 48 in.
Size of Grate 60 × 34 in.
Number of Tubes 140
Diameter of Tubes 2 in.
Length of Tubes 11 ft.
Square Feet of Grate surface 14
Square Feet of Heating surface in Fire-Box 98
Square Feet of Heating surface in Tubes 805
Total Feet of Heating surface 903
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 3¹⁄₄ to 3³⁄₄ in.
Size of Steam Ports 1¹⁄₄ × 14 in.
Size of Exhaust Ports 2¹⁄₂ × 14 in.
Throw of Eccentrics 5 in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve None.
Size of Main Driving-axle Journal 6¹⁄₂ dia. × 7³⁄₄ in.
Size of other Driving-axle Journal 6¹⁄₂ dia. × 7³⁄₄ in.
Size of Truck-axle Journal 4¹⁄₂ dia. × 8 in.
Diameter of Pump Plunger 2 in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,000 gallons.

Plate VI.

EIGHT-WHEELED “AMERICAN” LOCOMOTIVE,
BY THE GRANT LOCOMOTIVE WORKS, PATERSON, N. J.
Scale, ¹⁄₈ in. = 1 ft.

Plate vii.
DIMENSIONS, WEIGHT, ETC.,
OF
EIGHT-WHEELED “AMERICAN” LOCOMOTIVE
BY THE
Danforth Locomotive and Machine Co., Paterson, N. J.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 21 ft 2 in.
Distance between centres of Front and Back Driving-Wheels, 7 ft. 9 in.
Total Weight of Locomotive in working order 60,200 lbs.
Total Weight on Driving-Wheels 38,350 lbs.
Diameter of Driving-Wheels 5 ft. 7⁵⁄₈ in.
Diameter of Truck-Wheels 2 ft. 6 in.
Diameter of Cylinders 15 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 3 ft. 10 in.
Size of Grate 56 × 34¹⁄₂ in.
Number of Tubes 136
Diameter of Tubes 2 in.
Length of Tubes 11 ft.
Square Feet of Grate surface 13.5
Square Feet of Heating surface in Fire-Box 86
Square Feet of Heating surface in Tubes 775
Total Feet of Heating surface 861
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2³⁄₄ in.
Size of Steam Ports 1¹⁄₄ × 13¹⁄₂ in.
Size of Exhaust Ports 2¹⁄₂ × 13¹⁄₂ in.
Throw of Eccentrics 5¹⁄₂ in.
Outside Lap of Valve ⁷⁄₈ in.
Inside Lap of Valve ¹⁄₈ in.
Size of Main Driving-axle Journal 6¹⁄₂ in.
Size of other Driving-axle Journal 6¹⁄₂ in.
Size of Truck-axle Journal 4¹⁄₂ in.
Diameter of Pump Plunger 2¹⁄₈ in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 1,800 gallons.

Plate VII.

EIGHT-WHEELED “AMERICAN” LOCOMOTIVE,
BY THE DANFORTH LOCOMOTIVE AND MACHINE CO., PATERSON, N. J.
Scale, ¹⁄₈ in. = 1 ft.

Plate viii.
DIMENSIONS, WEIGHT, ETC.,
OF
EIGHT-WHEELED “AMERICAN” LOCOMOTIVE
By the Mason Machine Works, Taunton, Mass.

Gauge of Road 4 ft. 8¹⁄₂ In.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 22 ft.
Distance between centres of Front and Back Driving-Wheels 8 ft.
Total Weight of Locomotive in working order 62,000 lbs.
Total Weight on Driving-Wheels 40,000 lbs.
Diameter of Driving-Wheels 5 ft. 6 in.
Diameter of Truck-Wheels 2 ft. 9 in.
Diameter of Cylinders 1 ft. 5 in.
Stroke of Cylinders 2 ft.
Outside Diameter of smallest Boiler Ring 3 ft. 10 in.[120]
Size of Grate 66 × 35³⁄₄ in.
Number of Tubes 155
Diameter of Tubes 2 in.
Length of Tubes 11 ft 2 in.
Square Feet of Grate surface 16.38
Square Feet of Heating surface in Fire-Box 105
Square Feet of Heating surface in Tubes 906
Total Feet of Heating surface 1011
Exhaust Nozzles—single or double Single.
Diameter of Nozzle 3³⁄₄ in.
Size of Steam Ports 15 × 1¹⁄₄ in.
Size of Exhaust Ports 15 × 2³⁄₄ in.
Throw of Eccentrics 4¹⁄₂ in.
Outside Lap of Valve ⁷⁄₈ in.
Inside Lap of Valve ¹⁄₁₆ in.
Size of Main Driving-axle Journal 6¹⁄₂ × 7¹⁄₂ in.
Size of other Driving-axle Journal  
Size of Truck-axle Journal 3¹⁄₄ × 6¹⁄₂ in.
Diameter of Pump Plunger 1³⁄₄ in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,250 gallons.

[120] The Boiler is made conical, 46 in. diameter at the Smoke-Box and 50 in. at the Fire-Box.

Plate VIII.

EIGHT-WHEELED “AMERICAN” LOCOMOTIVE,
BY THE MASON MACHINE WORKS, TAUNTON, MASSACHUSETTS.
Scale, ¹⁄₈ in. = 1 ft.

Plate ix.
DIMENSIONS, WEIGHT, ETC.,
OF
EIGHT-WHEELED “AMERICAN” LOCOMOTIVE
By the Hinkley Locomotive Works, Boston, Mass.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 21 ft. 4¹⁄₂ in.
Distance between centres of Front and Back Driving-Wheels 7 ft. 6 in.
Total Weight of Locomotive in working order 63,000 lbs.
Total Weight on Driving-Wheels 41,000 lbs.
Diameter of Driving-Wheels 68 in.
Diameter of Truck-Wheels 30 in.
Diameter of Cylinders 16 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 46 in.
Size of Grate 3 ft. × 5 ft.
Number of Tubes 150
Diameter of Tubes 2 in.
Length of Tubes 11 ft.
Square Feet of Grate surface 15
Square Feet of Heating surface in Fire-Box 100
Square Feet of Heating surface in Tubes 755
Total Feet of Heating surface 855
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 3 in.
Size of Steam Ports 14 × 1¹⁄₄ in.
Size of Exhaust Ports 2³⁄₈ in.
Throw of Eccentrics 5 in.
Outside Lap of Valve ¹³⁄₁₆ in.
Inside Lap of Valve None.
Size of Main Driving-axle Journal 7 × 7 in.
Size of other Driving-axle Journal 7 × 7 in.
Size of Truck-axle Journal 4¹⁄₂ × 7 in.
Diameter of Pump Plunger 1⁷⁄₈ in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,000 gallons.

Plate IX.

EIGHT-WHEELED “AMERICAN” LOCOMOTIVE,
BY THE HINKLEY LOCOMOTIVE WORKS, BOSTON, MASSACHUSETTS.
Scale, ¹⁄₈ in. = 1 ft.

Plate x.
DIMENSIONS, WEIGHT, ETC.,
OF
TEN-WHEELED LOCOMOTIVE,
By the Baldwin Locomotive Works, Philadelphia.

Gauge of Road 4 ft 8¹⁄₂ in.
Number of Driving-Wheels 6
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 23 ft. 6 in.
Distance between centres of Front and Back Driving-Wheels 88 in.
Total Weight of Locomotive in working order 78,000 lbs.
Total Weight on Driving-Wheels 58,000 lbs.
Diameter of Driving-Wheels 54 in.
Diameter of Truck-Wheels 26 in.
Diameter of Cylinders 18 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 50 in.
Size of Grate 60 × 34¹⁄₂ in.
Number of Tubes 152
Diameter of Tubes 2 in.
Length of Tubes 12 ft. 9 in.
Square Feet of Grate surface 14.37
Square Feet of Heating surface in Fire-Box 94
Square Feet of Heating surface in Tubes 1014
Total Feet of Heating surface 1108
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 3 to 3¹⁄₂ in.
Size of Steam Ports 1¹⁄₄ × 16 in.
Size of Exhaust Ports 2¹⁄₂ × 16 in.
Throw of Eccentrics 5¹⁄₂ in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve ¹⁄₃₂ in.
Size of Main Driving-axle Journal 7 in. dia. × 8 in.
Size of other Driving-axle Journal 7 in. dia. × 8 in.
Size of Truck-axle Journal 4¹⁄₄ × 7¹⁄₂ in.
Diameter of Pump Plunger 2 in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,200 gallons.

Plate X.

TEN-WHEELED LOCOMOTIVE,
BY THE BALDWIN LOCOMOTIVE WORKS, PHILADELPHIA.
Scale, ¹⁄₈ in. = 1 ft.

Plate xi.
DIMENSIONS, WEIGHT, ETC.,
OF
“MOGUL” LOCOMOTIVE,
By the Baldwin Locomotive Works, Philadelphia.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 6
Number of Front Truck-Wheels 2
Number of Back Truck-Wheels None.
Total Wheel Base 22 ft. 8 in.
Distance between centres of Front and Back Driving-Wheels 96 in.
Total Weight of Locomotive in working order 77,000 lbs.
Total Weight on Driving-Wheels 66,000 lbs.
Diameter of Driving-Wheels 52 in.
Diameter of Truck-Wheels 30 in.
Diameter of Cylinders 18 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 50 in.
Size of Grate 66 × 34¹⁄₂ in.
Number of Tubes 161
Diameter of Tubes 2 in.
Length of Tubes 11 ft. 3 in.
Square Feet of Grate surface 16
Square Feet of Heating surface in Fire-Box 102.7
Square Feet of Heating surface in Tubes 948
Total Feet of Heating surface 1051
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 3 to 3¹⁄₂ in.
Size of Steam Ports 1¹⁄₄ × 16 in.
Size of Exhaust Ports 2¹⁄₂ × 16 in.
Throw of Eccentrics 5¹⁄₂ in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve ¹⁄₃₂ in.
Size of Main Driving-axle Journal 7 in. dia. × 8 in.
Size of other Driving-axle Journal 7 in. dia. × 8 in.
Size of Truck-axle Journal 5 in. dia. × 8 in.
Diameter of Pump Plunger 2 in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,200 gallons.

Plate XI.

“MOGUL” LOCOMOTIVE,
BY THE BALDWIN LOCOMOTIVE WORKS, PHILADELPHIA.
Scale, ¹⁄₈ in. = 1 ft.

Plate xii.
DIMENSIONS, WEIGHT, ETC.,
OF
“CONSOLIDATION” LOCOMOTIVE,
BY THE
Danforth Locomotive and Machine Co., Paterson, N. J.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 8
Number of Front Truck-Wheels 2
Number of Back Truck-Wheels None.
Total Wheel Base 23 ft. 2 in.
Distance between centres of Front and Back Driving-Wheels 15 ft. 7 in.
Total Weight of Locomotive in working order 96,550 lbs.
Total Weight on Driving-Wheels 86,430 lbs.
Diameter of Driving-Wheels 4 ft. 2 in.
Diameter of Truck-Wheels 2 ft. 7 in.
Diameter of Cylinders 20 in.
Stroke of Cylinders 24 in.
Outside Diameter of smallest Boiler Ring 4 ft. 2 in.
Size of Grate 120 × 34³⁄₄ in.
Number of Tubes 165
Diameter of Tubes 2¹⁄₄ in.
Length of Tubes 13 ft. 9¹⁄₄ in.
Square Feet of Grate surface 29
Square Feet of Heating surface in Fire-Box 139
Square Feet of Heating surface in Tubes 1370
Total Feet of Heating surface 1509
Exhaust Nozzles—single or double Double
Diameter of Nozzle 3¹⁄₂ in.
Size of Steam Ports 1¹⁄₂ x 15¹⁄₂ in.
Size of Exhaust Ports 2³⁄₄ × 15¹⁄₂ in.
Throw of Eccentrics 5¹⁄₂ in.
Outside Lap of Valve ⁵⁄₈ in.
Inside Lap of Valve None.
Size of Main Driving-axle Journal 6³⁄₄ in.
Size of other Driving-axle Journal 6³⁄₄ in.
Size of Truck-axle Journal 5 in.
Diameter of Pump Plunger 2¹⁄₄ in.
Stroke of Pump Plunger 24 in.
Capacity of Tank 2,400 gallons.

Plate XII.

“CONSOLIDATION” LOCOMOTIVE,
BY THE DANFORTH LOCOMOTIVE AND MACHINE CO., PATERSON, N. J.
Scale, ¹⁄₈ in. = 1 ft.

Plate xiii.
DIMENSIONS, WEIGHT, ETC.,
OF
DOUBLE-END TANK LOCOMOTIVE,
BY THE
Rogers Locomotive and Machine Works, Paterson, N. J.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 6
Number of Front Truck-Wheels 2
Number of Back Truck-Wheels 2
Total Wheel Base 24 ft. 7¹⁄₂ in.
Distance between centres of Front and Back Driving-Wheels 12 ft.
Total Weight of Locomotive in working order 84,000 lbs.
Total Weight on Driving-Wheels 68,000 lbs.
Diameter of Driving-Wheels 40¹⁄₄ in.
Diameter of Truck-Wheels 26 in.
Diameter of Cylinders 15 in.
Stroke of Cylinders 20 in.
Outside Diameter of smallest Boiler Ring 46¹⁄₄ in.
Size of Grate 34 × 48 in.
Number of Tubes 132
Diameter of Tubes 2 in.
Length of Tubes 9 ft. 9¹⁄₄ in.
Square Feet of Grate surface 11.7
Square Feet of Heating surface in Fire-Box 67
Square Feet of Heating surface in Tubes 608
Total Feet of Heating surface 675
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2¹⁄₈ to 2³⁄₈ in.
Size of Steam Ports 13³⁄₄ × 1³⁄₁₆ in.
Size of Exhaust Ports 13³⁄₄ × 2⁷⁄₁₆ in.
Throw of Eccentrics 4³⁄₄ in.
Outside Lap of Valve ⁵⁄₈ × ¹⁄₆₄ in.
Inside Lap of Valve ¹⁄₁₆ in.
Size of Main Driving-axle Journal 6 × 7¹⁄₂ in.
Size of other Driving-axle Journal 6 × 7¹⁄₂ in.
Size of Truck-axle Journal 4¹⁄₂ × 8 in.
Diameter of Pump Plunger 1⁷⁄₈ in.
Stroke of Pump Plunger 20 in.
Capacity of Tank 1,600 gallons.

Plate XIII.

DOUBLE-END TANK LOCOMOTIVE,
BY THE ROGERS LOCOMOTIVE AND MACHINE WORKS, PATERSON, N. J.
Scale, ¹⁄₈ in. = 1 ft.

Plate xiv.
DIMENSIONS, WEIGHT, ETC.,
OF
DOUBLE-END TANK LOCOMOTIVE,
BY THE
Rogers Locomotive and Machine Works, Paterson, N. J.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 2
Number of Back Truck-Wheels 4
Total Wheel Base 25 ft. 8¹⁄₂ in.
Distance between centres of Front and Back Driving-Wheels 6 ft. 6 in.
Total Weight of Locomotive in working order 75,000 lbs.
Total Weight on Driving-Wheels 40,000 lbs.
Diameter of Driving-Wheels 48³⁄₄ in.
Diameter of Truck-Wheels 30 and 26 in.
Diameter of Cylinders 15 in.
Stroke of Cylinders 22 in.
Outside Diameter of smallest Boiler Ring 43⁵⁄₈ in.
Size of Grate 34 × 50 in.
Number of Tubes 139
Diameter of Tubes 2 in.
Length of Tubes 8 ft. 10¹⁄₂ in.
Square Feet of Grate surface 11.84
Square Feet of Heating surface in Fire-Box 82
Square Feet of Heating surface in Tubes 711
Total Feet of Heating surface 793
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2³⁄₈ to 2⁵⁄₈ in.
Size of Steam Ports 13³⁄₄ × 1³⁄₁₆ in.
Size of Exhaust Ports 13³⁄₄ × 2⁷⁄₁₆ in.
Throw of Eccentrics 4¹⁄₄ in.
Outside Lap of Valve ⁵⁄₈ × ¹⁄₆₄ in.
Inside Lap of Valve ¹⁄₁₆ in.
Size of Main Driving-axle Journal 6 × 7¹⁄₂ in.
Size of other Driving-axle Journal 6 × 7¹⁄₂ in.
Size of Truck-axle Journal 4¹⁄₂ × 7¹⁄₂ in.[121]
Diameter of Pump Plunger 1⁷⁄₈ in.
Stroke of Pump Plunger 22 in.
Capacity of Tank 1,000 gallons.

[121] Above is the Front Truck-axle Journal. That of the Back Truck-axle is 4¹⁄₄ × 7¹⁄₂ in.

Plate XIV.

DOUBLE-END TANK LOCOMOTIVE,
BY THE ROGERS LOCOMOTIVE AND MACHINE WORKS, PATERSON, N. J.
Scale, ¹⁄₈ in. = 1 ft.

Plate xv.
DIMENSIONS, WEIGHT, ETC.,
OF
IMPROVED TANK LOCOMOTIVE,
DESIGNED BY
M. N. Forney, 73 Broadway, New York.

Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels None.
Total Wheel Base 20 ft. 9 in.
Distance between centres of Front and Back Driving-Wheels 6 ft. 8 in.
Total Weight of Locomotive in working order 60,000 lbs.
Total Weight on Driving-Wheels 44,000 lbs.
Diameter of Driving-Wheels 50 in.
Diameter of Truck-Wheels 26 in.
Diameter of Cylinders 14 in.
Stroke of Cylinders 20 in.
Outside Diameter of smallest Boiler Ring 46 in.
Size of Grate 54 × 36⁵⁄₈ in.
Number of Tubes 139
Diameter of Tubes 2 in.
Length of Tubes 10 ft. 1¹⁄₂ in.
Square Feet of Grate surface 14
Square Feet of Heating surface in Fire-Box 78
Square Feet of Heating surface in Tubes 734
Total Feet of Heating surface 812
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2³⁄₄ in.
Size of Steam Ports 12 × 1¹⁄₄ in.
Size of Exhaust Ports 12 × 2¹⁄₂ in.
Throw of Eccentrics 5 in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve ¹⁄₃₂ in.
Size of Main Driving-axle Journal 6 × 7 in.
Size of other Driving-axle Journal 6 × 7 in.
Size of Truck-axle Journal 3³⁄₄ × 7 in.
Diameter of Pump Plunger 4 in.
Stroke of Pump Plunger 5 in.
Capacity of Tank 1,500 gallons.

Plate XV.