Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. The Copp family of Stonington, Connecticut used this small wooden box of vegetable tooth powder during the early 19th ...
You’ve seen it on your TikTok FYP: Someone dipping a wet toothbrush into a jar of powder, brushing for two minutes and revealing a noticeably brighter smile. But does teeth whitening powder actually ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Glass jar with paper label that reads ...
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