Dial-painters working in a factory (National Institute of Standards and Technology)
“Beginning in the 1910s and continuing through the 1920s, more than 3,000 girls and young women seized upon a new and unusual work opportunity: painting glow-in-the-dark numerals on the dials of watches, clocks and military equipment.”
(National Institute of Standards and Technology, 2022)

Women painting radium dials
(Quill & Pad, 1922)
These women were later known as the “Radium Girls” because they contracted radiation poisoning from painting radium dials.
Kate Moore, author of The Radium Girls, explains lip-painting
(Naperville Community Television NCTV17, 2017)
The Radium Girls
Casey Canzano and Angela Wang・Senior Division・Group Website
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