National Geographic : 1919 Jan
ONE OF THE FIRST ILLUSTRATED BOOKS ON DRUGS, PUBLISHED THE YEAR BEFORECOLUMBUS DISCOVERED AMERICA A photograph of the hand-illuminated pages of Johannis de Cuba's famous "Hortus Sanitatis,"part ofwhich isdevoted totheuseofpre cious stones in medicine. The upper half of the left-hand page shows a teacher in doctor's gown instructing apupil intheuseofstones and the lower illustration shows a lapidary-apothecary's shop with customers buying medicine rocks. Thisbook isone ofthepriceless volumes inthe library of the Surgeon General, U. S . A ., in Washington.