. The Locomotive. ebruary and was supposedto be in perfect condition. At the time the explosion occurred, itwas tied up to a dock adjoining the ferry landing, taking on coalpreparatory to making its first trip of the season. If the explosion 80 THE LOCOMOTIVE [July, had taken place a halfhour later, after ferrypassengers had gone onboard, the loss of lifewould undoubtedlyhave been appalling. The boiler, a sketchof which is given inFig. 2, was of the com-pact marine type madeup of a cylindricalshaped upper section(A in Fig. 2) to whichwas riveted two outsideand one middle waterleg. The combusti
. The Locomotive. ebruary and was supposedto be in perfect condition. At the time the explosion occurred, itwas tied up to a dock adjoining the ferry landing, taking on coalpreparatory to making its first trip of the season. If the explosion 80 THE LOCOMOTIVE [July, had taken place a halfhour later, after ferrypassengers had gone onboard, the loss of lifewould undoubtedlyhave been appalling. The boiler, a sketchof which is given inFig. 2, was of the com-pact marine type madeup of a cylindricalshaped upper section(A in Fig. 2) to whichwas riveted two outsideand one middle waterleg. The combustionspace (B in Fig. 3)back of the grate was also enclosed at the rear by a water leg. Theboiler was internally fired in two furnaces. The force of the explosion ruptured the rear tube sheet, tore therear water leg away from the side water legs and pulled away bracesand staybolts at the rear end of the boiler. The steamer, which was valued at $75,000, was a total loss whichunfortunately was not covered by Fig. 3. Air Receiver Explosions. TO the casual observer air receivers or tanks are harmless look-ing objects. But a glance at the illustration on the oppositepage, which shows the result of an air tank explosion, will givefurther evidence of the truth in the saying, Appearances are some-times deceiving. This accident occurred in the machine shop of the Kansas CityRailways Co., Kansas City, Mo., early in the morning of March 7th,1922. Five men were killed outright, two died later from injuriesthey received and ten persons were more or less seriously property loss was said to be in excess of $25, The receiver which exploded was equipped with a safety valve andon the compressor there was an unloading device which was set tooperate at 104 lbs. gauge pressure. Furthermore, an attendant was 1922.] THE LOCOMOTIVE. 81
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