1924 Hardcover Book, “For The Children’s Hour”: 640 +/- 24 ppm Lead, Published by the Milton Bradley Company.
1920s | 1920s Book | 1924 | 1924 Book | 640 ppm | Book | Books | For The Children's Hour | Printed in Springfield Mass | Vintage Book | Vintage Books | Vintage Hardcover Book | XRF Testing | XRFTesting
“For The Children’s Hour”, Copyright 1906 (print date 1924) By Bradley Quality Books, Milton Bradley Company. Springfield, Massachusetts. The amount of Lead that is considered toxic in a newly manufactured item intended for use by children is anything 100 ppm Lead or higher in the substrate of the item or anything 90 ppm Lead or…