• Ads for Dr. A. Reed Shoe Company X-Ray Shoe Fitter machines. Los Angeles Times, (Los Angeles, CA) 1929.
  • Ads for Radior cosmetic products. New York Times, (New York, NY) 1916-1919.
  • "Blue Glass Bonanza." Denver Daily News, (Denver, CO) Jun. 11, 1876.
  • "Blue Glass," sheet music, by Sam Devere, published by Louis Goullaud, Boston, 1877.
  • "Drs. Owen, Cheever, Heidelberg, Horne, Edison, Copeland, Sanden, Cook, Bennett, and Chrystal electric belts," 1875-1889, newspaper ad for Health and Strength Regained, 1896.
  • Gibbons, Roy. "Ban on X-Ray Shoe Fitting Devices Urged," Chicago Daily Tribune, (Chicago, IL) June 3, 1959.
  • Lefebre, Thierry and Cécile Raynal. La curieuse histoire du Tho-Radia. 1 February 2005.
  • Mack, E. "Blue Glass Schottische." Philadelphia: F. A North, 1877.
  • Oak Ridge Associated Universities. "Shoe-Fitting Flouroscope" Health Physics Historical Instrumentation Museum Collection. 26 January 2010.
  • Pancoast, Seth. Blue and Red Light; or, Light and its rays as medicine; showing that light is the original and sole source of life …. Philadelphia: J. M. Stoddart, 1877.
  • Pleasanton, Augustus James. The Influence of the Blue Ray of the Sunlight. Philadelphia: Claxton, Remsen and Haffelfinger, 1876.
  • "States Urged: Outlaw X-Ray in Shoe Fitting," Chicago Daily Tribune, (Chicago, IL) August 26, 1958.
  • "Supernal Vision; the Culminating Scientific Discovery of the Century; Wonders of Blue Light: Females Seven Years of Age Developed into Full-Grown Women: Thought Becoming Apparent," St. Louis Globe-Democrat, (St. Louis, MO) July 16, 1876.
  • Youmans, E.L. "Editor's Table: Concerning 'Blue Glass,'" Popular Science Monthly, May-Oct. 1877.

Stumbling Down the Road to Health


In every era, people chase the shining ideal of long life and perfect health—but sometimes the tools they use harm more than help. From poisonous pills to deadly drinking water, the next best thing has often been anything but. Choose the correct answers for the questions.