Issue 18 and Volume 42.

FIRE BOATS FOR CHICAGO. Chicago, I11., has ordered two electric fireboats. The Manitowoc Dry Dock company of Chicago has contracted with the General Electric company for the electrical equipment of these boats. Each will be equiped with two 660horsepower Curtis steam turbines, which will be supplied with steam at a pressure of 160 lbs. A centrifugal pump of sufficient capacity to deliver quite 4,500 gals, of water per minute against a pressure of 150 lbs. per square inch will be mounted on an extension of the bedplate of the turbine. A 200-kw., direct-current generator will also be mounted upon the same bedplate and directly connected to each turbine. The boats will be equiped with twin screws, and each propeller-shaft will be direct-connected to a 250horsepower motor. A 25-kw. generator and an exciter of equal capacity will also be installed and will be driven by small turbines. The apparatus will be…

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