Part 40 — Plates
Reading edition
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.
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.
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.

IMPROVED TANK LOCOMOTIVE, DESIGNED BY M. N. FORNEY, 73 BROADWAY, NEW YORK. Scale, ¹⁄₈ in. = 1 ft.
Plate xvi. DIMENSIONS, WEIGHT, ETC., OF Double-truck Narrow-gauge Tank Locomotive, By the Mason Machine Works, Taunton, Mass.
Gauge of Road 3 ft.
Number of Driving-Wheels 4
Number of Front Truck-Wheels 4
Number of Back Truck-Wheels 4
Total Wheel Base 19 ft. 6 in.
Distance between centres of Front and Back Driving-Wheels 5 ft.
Total Weight of Locomotive in working order
Total Weight on Driving-Wheels 24,000 lbs.
Diameter of Driving-Wheels 2 ft. 9 in.
Diameter of Truck-Wheels 2 ft. 6 in.
Diameter of Cylinders 10 in.
Stroke of Cylinders 1 ft. 3 in.
Outside Diameter of smallest Boiler Ring 3 ft.
Size of Grate 41¹⁄₂ × 31 in.
Number of Tubes 81
Diameter of Tubes 2 in.
Length of Tubes 8 ft. 2 in.
Square Feet of Grate surface 8.93
Square Feet of Heating surface in Fire-Box 56
Square Feet of Heating surface in Tubes 346
Total Feet of Heating surface 402
Exhaust Nozzles—single or double Single.
Diameter of Nozzle 2¹⁄₂ in.
Size of Steam Ports 9¹⁄₂ × 1¹⁄₈ in.
Size of Exhaust Ports 9¹⁄₂ × 2¹⁄₂ in.
Throw of Eccentrics 3³⁄₄ in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve ¹⁄₁₆ in.
Size of Main Driving-axle Journal 5 × 7 in.
Size of other Driving-axle Journal
Size of Truck-axle Journal 3¹⁄₂ × 6¹⁄₂ in.
Diameter of Pump Plunger
Stroke of Pump Plunger
Capacity of Tank 800 gallons.
Plate XVI.

DOUBLE-TRUCK NARROW-GAUGE TANK LOCOMOTIVE, BY THE MASON MACHINE WORKS, TAUNTON, MASSACHUSETTS. Scale, ¹⁄₈ in. = 1 ft.
Plate xvii. DIMENSIONS, WEIGHT, ETC., OF DOUBLE-TRUCK TANK FREIGHT LOCOMOTIVE, By the Mason Machine Works, Taunton, Mass.
Gauge of Road 4 ft. 8¹⁄₂ in.
Number of Driving-Wheels 6
Number of Front Truck-Wheels 6
Number of Back Truck-Wheels 6
Total Wheel Base 31 ft.
Distance between centres of Front and Back Driving-Wheels 8 ft.
Total Weight of Locomotive in working order
Total Weight on Driving-Wheels 66,000 lbs.
Diameter of Driving-Wheels 3 ft. 6 in.
Diameter of Truck-Wheels 2 ft. 6 in.
Diameter of Cylinders 1 ft. 4 in.
Stroke of Cylinders 2 ft.
Outside Diameter of smallest Boiler Ring 4 ft.
Size of Grate 66 × 48³⁄₈ in.
Number of Tubes 154
Diameter of Tubes 2 in.
Length of Tubes 11 ft. 6 in.
Square Feet of Grate surface 22.17
Square Feet of Heating surface in Fire-Box 126
Square Feet of Heating surface in Tubes 927
Total Feet of Heating surface 1053
Exhaust Nozzles—single or double Single.
Diameter of Nozzle Variable.
Size of Steam Ports 15 × 1¹⁄₄ in.
Size of Exhaust Ports 15 × 2³⁄₄ in.
Throw of Eccentrics 8 in.[122]
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve ¹⁄₁₆ in.
Size of Main Driving-axle Journal 6¹⁄₂ × 10 in.
Size of other Driving-axle Journal
Size of Truck-axle Journal 4 × 8 in.
Diameter of Pump Plunger
Stroke of Pump Plunger
Capacity of Tank 2,530 gallons.
Plate XVII.

DOUBLE-TRUCK TANK FREIGHT LOCOMOTIVE, BY THE MASON MACHINE WORKS, TAUNTON, MASSACHUSETTS. Scale, ¹⁄₈ in. = 1 ft.
Plate xviii. DIMENSIONS, WEIGHT, ETC., OF DOUBLE-END 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 2
Number of Back Truck-Wheels 2
Total Wheel Base 19 ft. 9 in.
Distance between centres of Front and Back Driving-Wheels 7 ft.
Total Weight of Locomotive in working order 52,000 lbs.
Total Weight on Driving-Wheels 42,000 lbs.
Diameter of Driving-Wheels 56 in.
Diameter of Truck-Wheels 28 in.
Diameter of Cylinders 14 in.
Stroke of Cylinders 22 in.
Outside Diameter of smallest Boiler Ring 42 in.
Size of Grate 73 × 34 in.
Number of Tubes 124
Diameter of Tubes 2 in.
Length of Tubes 7 ft. 10 in.
Square Feet of Grate surface 16.5
Square Feet of Heating surface in Fire-Box 80.8
Square Feet of Heating surface in Tubes 468.5
Total Feet of Heating surface 549.3
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2¹⁄₂ to 3⁷⁄₈ in.
Size of Steam Ports 14 × 1¹⁄₈ in.
Size of Exhaust Ports 14 × 2¹⁄₄ in.
Throw of Eccentrics 5 in.
Outside Lap of Valve ³⁄₄ in.
Inside Lap of Valve None.
Size of Main Driving-axle Journal 6 dia. × 7³⁄₄ in.
Size of other Driving-axle Journal 6 dia. × 7³⁄₄ in.
Size of Truck-axle Journal 4¹⁄₂ dia. × 8 in.
Diameter of Pump Plunger 3¹⁄₂ in.
Stroke of Pump Plunger 5 in.
Capacity of Tank 1,600 gallons.
Plate XVIII.

DOUBLE-END LOCOMOTIVE, BY THE GRANT LOCOMOTIVE WORKS, PATERSON, N. J. Scale, ¹⁄₈ in. = 1 ft.
Plate xix. DIMENSIONS, WEIGHT, ETC., OF LOCOMOTIVE FOR THE N. Y. ELEVATED R. R. Designed by D. W. Wyman, Superintendent.
Gauge of Road 4 ft. 10 in.
Number of Driving-Wheels 4
Number of Front Truck-Wheels None.
Number of Back Truck-Wheels None.
Total Wheel Base 5 ft.
Distance between centres of Front and Back Driving-Wheels 5 ft.
Total Weight of Locomotive in working order 8,000 lbs.
Total Weight on Driving-Wheels 8,000 lbs.
Diameter of Driving-Wheels 30 in.
Diameter of Truck-Wheels None.
Diameter of Cylinders 7 in.
Stroke of Cylinders 10 in.
Outside Diameter of smallest Boiler Ring 28 in.
Size of Grate 28 × 28 in.
Number of Tubes 140
Diameter of Tubes 1¹⁄₄ in.
Length of Tubes 3 ft.
Square Feet of Grate surface 5¹⁄₂ ft.
Square Feet of Heating surface in Fire-Box 25 ft.
Square Feet of Heating surface in Tubes 126 ft.
Total Feet of Heating surface 151 ft.
Exhaust Nozzles—single or double Double.
Diameter of Nozzle 2 in.
Size of Steam Ports 6 × ⁵⁄₈ in.
Size of Exhaust Ports 6 × 2 in.
Throw of Eccentrics 2¹⁄₂ in.
Outside Lap of Valve ⁵⁄₈ in.
Inside Lap of Valve ¹⁄₃₂ in.
Diameter of Main Driving-axle Journal 3 in.
Size of other Driving-axle Journal
Size of Truck-axle Journal
Diameter of Pump Plunger 1³⁄₈ in.
Stroke of Pump Plunger 10 in.
Capacity of Tank 109 gallons.
Plate XIX.

LOCOMOTIVE FOR THE NEW YORK ELEVATED RAILROAD, DESIGNED BY D. W. WYMAN, SUPERINTENDENT. Scale, ¹⁄₈ in. = 1 ft.