1937 Life Magazine compilation book: 461 ppm Lead on the pages (& 13 ppm Cadmium). 90 ppm Lead (& up) is unsafe for kids.
1939 Physician’s Sample Tin of Baby Formula: 456,200 ppm Lead. Frankly the implications of this one are terrifying.
Vintage (c. 1938-1960) Ceramic Harlequin by Homer Laughlin Co. Fiesta Plate: 287,600 ppm Lead [90 ppm is unsafe].
