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What is said to be the largest piece of electrical machinery ever made from structural steel and electrically welded has been completed in the frame for one of the 50,000-horsepower generators for a Philadelphia company. Four of these huge units are to be installed in this plant, which will be the largest electricity "factory" in the United States except the power development from Niagara falls.



Fish placed in water that has been boiled to drive out the oxygen usually die in a short time, showing how necessary the element is to the preservation of their lives. The little stickleback fans the nest in which the young are hatched with its fins to afford an abundant oxygen supply and another species exercises the same care, both parents taking their turn doing the fanning.

 

Space for parking 1,052 cars is to be provided in a twenty-eight-story garage for New York City's crowded business district. It is to be within a few feet of one of the entrances to the Grand Central terminal, and is planned to afford a maximum of storage space within the limits of the lot. After a driver has surrendered his car and received a check for it, an electrically operated truck rolls from an elevator, is stopped under the auto, the rear axle engaged in a rubber-cleated coupler, and then the car is taken back to the elevator, and run to the desired floor, being left in its space by a reversal of the method that was pursued at the first. The little trucks are governed by push buttons in the elevator, so that the operator need not leave his post or touch the auto to store it. Elimination of ramps and useless aisles, highspeed elevators, and street-level delivery and acceptance are other features.



