Stock Photo - Sonoma County, California: March 10, 1925.In the upper photograph, Luther Burbank turns on a steam turbine electro generator, and in the bottom one a jet of steam is shooting from a five inch gate valve. The system has been piped to furnish heat, hot water and steam powered electricity for nearby residents and resorts.

Stock Photo: Sonoma County, California: March 10, 1925.In the upper photograph, Luther Burbank turns on a steam turbine electro generator.

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