The House of the Wizard
“Magic must be a very interesting study,” said Ojo.
“It truly is,” asserted the Magician. “In my time I’ve performed some magical feats that were worthy skill of Glinda the Good. For instance, there’s the Powder of Life, and my Liquid of Petrification, which is contained in that bottle on the shelf yonder – over the window.”
“What does the Liquid of Petrification do?” inquired the boy.
“ Turns everything it touches to solid marble. “
L. Frank Baum, The Patchwork Girl of Oz, Books of Wonder, HarperCollins Publishers, New York, NY 1913, P. 43,