Wikimedi'Òc

Pressure valve for needle gate valve control. June 13, 1913. Photocopy of original drawing. Drawing on file at the Salt River Project Archives. Phoenix, Arizona - Cross Cut Hydro HAER ARIZ,7-TEMP,4-29.tif - Fæ

6-3-4-FOOT STREAM DEFLECTOR FOR MAIN UNITS June 3, 1913 - Cross Cut Hydro Plant, North Side of Salt River, Tempe, Maricopa County, AZ HAER ARIZ,7-TEMP,4-25.tif - Fæ