ordi- gun, showing the position of the line and load, and the pro- jectile is shown at the side of the gun one, is that engines commonly used for drawing freight nary way. trains can be utilized to stop this class of train without the The engraving represents only such parts of the locomo- The gun… … 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…
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