1937 Life Magazine compilation book: 461 ppm Lead on the pages (& 13 ppm Cadmium). 90 ppm Lead (& up) is unsafe for kids.
1930s | 1937 | 1937 Book | 1937 Magazines | Antique Magazines | Life Magazine | Vintage Book | Vintage Books | Vintage Magazine
Reading #1) on the leather of the book 60-second reading Lead (Pb): 375 +/- 10 ppm Cadmium (Cd): 18 +/- 2 ppm Mercury (Hg): non-detect Bromine (Br): 3 +/- 1 ppm Chromium (Cr): non-detect Arsenic (As): non-detect Vanadium (V): 18,300 +/- 400 ppm Manganese (Mn): 918 +/- 79 ppm Iron (Fe): 174 +/- 37 ppm…