Arsenic and Old Books, I mean, Lace, Part Two

Last week, Dear Reader, I introduced you to a joint project between the Winterthur Museum, Garden and Library and the University of Delaware: the Poison Book Project. Winterthur officials such Rosie Grayburn and Melissa Tedone were led to flag 19th-century books for traces of dangerous chemicals and poisons in the pigments used to dye the bookcloths. They found dangerous levels of arsenic in at le...