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upstart writes for Bytram:

How a Library Handles a Rare and Deadly Book of Wallpaper Samples

Shadows from the Walls of Death, printed in 1874 and measuring about 22 by 30 inches, is a noteworthy book for two reasons: its rarity, and the fact that, if you touch it, it might kill you. It contains just under a hundred wallpaper samples, each of which is saturated with potentially dangerous levels of arsenic.

The book is the work of Dr. Robert M. Kedzie, a Union surgeon during the American Civil War and later professor of chemistry at Michigan State Agricultural college (now MSU). When he came to serve on the state’s Board of Health in the 1870s, he set out to raise awareness about the dangers of arsenic-pigmented wallpaper. Though a lethal toxin, arsenic can be mixed with copper and made into beautiful paints and pigments, most commonly Scheele’s Green or Paris Green. This was no fringe phenomenon: near the end of the 19th century, the American Medical Association estimated that as much as 65 percent of all wallpaper in the United States contained arsenic.

[...] Of the original 100 copies, only four remain. Most libraries, concerned about poisoning their patrons, destroyed their volumes. Two of the surviving books remain in Michigan—one at MSU and the other at the University of Michigan. MSU’s copy rests on an unassuming shelf in the library’s Special Collections division, housed in an appropriately green box. Each page is individually encapsulated in plastic so that researchers and the curious can handle it without fear.

[...] The other two copies of Shadows have made their way to the Harvard University Medical School and the National Library of Medicine, which has digitized the entire volume and made it freely available online. That was no simple task: Dr. Stephen Greenberg, head of the rare books and early manuscripts section of the NLM’s History of Medicine division, says workers had to suit up in protective gear before handling the book.

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