Nichole Hine, a research intern at the Tacoma Historical Society, shows a 1947 photo of College of Puget Sound’s Robert Sprenger with a rainmaking machine he built.
Nichole Hine, a research intern at the Tacoma Historical Society, shows a 1947 photo of College of Puget Sound’s Robert Sprenger with a rainmaking machine he built. Peter Haley phaley@thenewstribune.com
Nichole Hine, a research intern at the Tacoma Historical Society, shows a 1947 photo of College of Puget Sound’s Robert Sprenger with a rainmaking machine he built. Peter Haley phaley@thenewstribune.com

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