Demonstrating the source of vigorous energy. Dr. A.T. Sanden (ca. 1910), 36, ephemera collection. Courtesy of the Bakken Library and Museum of Electricity in Life, Minneapolis.
  • Fig. 25. Demonstrating the source of vigorous energy. Dr. A.T. Sanden (ca. 1910), 36, ephemera collection. Courtesy of the Bakken Library and Museum of Electricity in Life, Minneapolis.

Demonstrating the source of vigorous energy. Dr. A.T. Sanden (ca. 1910), 36, ephemera collection. Courtesy of the Bakken Library and Museum of Electricity in Life, Minneapolis.

From The body electric: how strange machines built the modern American by Carolyn Thomas de la Peña

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