206
ENGINEERING WONDERS OF THE WORLD.
Fig. 28.—LARGE TANK ENGINE, ALSACE-LORRAINE RAILWAYS.
Coders, 14 inches and 22 inches by 25| inches. Driving wheels, 5 feet 31 inches. Heating surface, 1,582 square feet.
Weight, 88j tons. Four-cylinder De Glehn compound system. These engines can deal with very heavy suburban trains.
Fig. 29.—THREE-CYLINDER TANK ENGINE, BERLIN METROPOLITAN RAILWAY.
Cylinders (3), 19| inches by 24j inches. Driving wheels, 4 feet 11 inches. Heating surface, 1,667 square feet. Weight,
78} tons. The inside cylinder operates the leading drivers. Almost the only Continental example of use of three cylinders.
Fig. 30.—PASSENGER TANK ENGINE, BAVARIAN STATE RAILWAYS.
. Cylinders, 17| inches by 22 inches. Weight, 68| tons. A peculiarity is the arrangement of the leading wheels and the front
pair of drivers on a Krauss truck, which allows a certain amount of swivelling movement, notwithstanding the use of coupline
rods. F 8