Fig. 14From: Materials characterization of the Ruby Slippers from the 1939 classic film, The Wizard of Ozµ-XRF spectra of heel nails from both shoes. The nail from the p.r. shoe is iron-rich, suggesting it is composed of iron or steel. The nail from the p.l. shoe exhibits relatively lower iron and a significant zinc content suggesting a galvanized iron or steel composition. Spectra were normalized at the rhodium Kα1 lineBack to article page