. The street railway review . fil9 nected generator driven by a singlecylinder Allis corliss and two 450kilowatt generators direct connect-ed to Porter-Allen engines. Thelargest of these, the twin Allis, wasa bad wreck and W. L. Patterson,the chief engineer of the UnionDepot power houses did a verycreditable piece of work in gettingit rvmning again. The engine wasrunning at the time the building was

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