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Show Radio Device Gives Flood Alarm . , ,, i i i Hi ! Ml ; ; ?' 4 : til J , r?55S ' v f I 7 . ' - IV- - ' ; far . i : . fir. K:rr? t; Kadio has been harnessed to the automatic steam gage Indicator perfected per-fected by Irvm M. Ingerson, associated hydraulic engineer of California's Cali-fornia's State Division of Water Resources. And as a result, sudden rises in distant streams are flashed to give ample warning in critical areas. The device aids in equitable water distribution. Above, the radio transmitter on a stream. Inset, Ingerson, and a closeuo of his equipment. |