Tin container with inscriptions that read in part “DR. I. W. LYON’S / PERFECT / TOOTH POWDER / Cleansing & Beaut… / THE TEETH / (TRADE MARK) / AND PURIFYING THE BREATH / PRICE 25 CENTS” and “Manufactured by I. W. Lyon & Sons / 520 West 27th St., New York, U.S.A.” Israel Whitney Lyon studied dentistry in New York, joined the gold rush to California, and returned east after the Civil War. He was selling I. W. Lyons’ Tooth Tablets by 1866, and I. W. Lyons’ Tooth Powder by 1874. He obtained a patent (#135,924) for “dentists’ stools” in 1873, and another (#445,067) for a “box for tooth powder” in 1891. After Dr. Lyon’s death in 1907, his sons continued the business.
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