ordi- gun, showing the position of the line and load, and the pro- jectile 13 shown at the side of the gun one, is that engines commonly used for drawing freight nary way. The engraving represents only such parts of the locomo- The gun is mounted on the carriage by means of trunnions trains can be… … fired the shot passes cock whose spindle HALL'S AIR BRAKE. straight out of the extends through the gun, the elastic tail side of the smoke uncoils, and the life line is drawn through the opening in box and is provided with an arm connected with a rod ex- brakemen getting upon the top of the cars,…
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