Several years ago doctors paid attention to wall paper because they found that most of their patients poisoned by arsenic had inhaled it as dust from their green-tinted wall paper. Wallpaper makers ceased using arsenical dyes for their designs.
More recently doctors were interested in wall paper under which cockroaches and other room vermin made their nests. Cockroaches for a long time were thought by so able a scientist as Dr. Johannes Fibiger, rector of the University of Copenhagen, to be a cause of cancer (TIME, Nov. 8). Also, Paris green, once popular for...
To continue reading:
or
Log-In