Marine and locomotive workAmerican School of Correspondence, 1903 - Engineering |
Common terms and phrases
air brake apply the brakes arrangement auxiliary reservoir axle bars beneath bolted brake cylinder cast iron cent coal cock combustion chamber compound locomotive condenser connection construction crank crosshead distance draft driving wheels engineer's valve feed feet fire firebox fitted flanged force frame freight furnace grade grate high-pressure cylinder home signal inches in diameter intercepting valve leak length lever live steam low-pressure cylinder main reservoir marine boiler mean effective pressure miles per hour move passage piston placed plate port position pounds per square pressure cylinder prevent propeller pump railroad riveted rotary valve running safety valves screw seat shaft shoe shown in Fig side slide valve smokebox space speed spring square inch staybolts steam chest steam pipe steam pressure steel stop stroke surface condenser tank tender thickness track train pipe train-pipe triple valve truck tubes usually water-tube boilers weight whistle
Popular passages
Page 82 - The hand or lamp swung vertically in a circle at arm's length across the track when the train is running is the signal that the train has parted (Fig.
Page 56 - In making a service stop with a passenger train, always release the brakes a short distance before coming to a dead stop, except on heavy grades, to prevent shocks at the instant of stopping. Even on moderate grades, it is best to do this, and then, after release, to apply brakes lightly, to prevent the train starting, so that when ready to start, the release will take place quickly.
Page 81 - Flags of the proper color must be used by day and lamps of the proper color by night or whenever from fog or other cause, the day signals cannot be clearly seen.
Page 81 - An explosive cap or torpedo placed on the top of the rail is a signal' to be used in addition to the regular signals. The explosion of one torpedo is a signal to stop immediately.
Page 83 - Fig. 86. is clear (Fig. 85), but the red must again be displayed before returning to its own track. Headlights on engines, when on side tracks, must be covered as soon as the track is clear and the train has stopped, and also when standing at the end of a double track.
Page 56 - In making a service stop with a passenger train, ALWAYS RELEASE THE BRAKES A SHORT DISTANCE BEFORE COMING TO A DEAD STOP, except On heavy grades, to prevent shocks at the instant of stopping. Even on moderate grades it is best to do this, and then, after release, to apply the brakes lightly, to prevent the train starting, so that when ready to start the release will take place quickly.
Page 86 - A succession of short sounds of the whistle is an alarm for persons or cattle on the track, and calls the attention of trainmen to danger ahead.
Page 49 - Fig. 3 shows the arrangement of the cylinders in relation to the valve. The valve employed to distribute the steam to the cylinders is of the piston type, working in a cylindrical steam-chest located in the saddle of the cylinder casting between the cylinders and the smoke-box, and as close to the cylinders as convenience wiil permit.
Page 97 - At a point feet from the rear of his train he must place one torpedo on the rail ; he must then continue to go back at least...
Page 97 - ... from the rear of his train and place two torpedoes on the rail ten yards apart (one rail length...