The Carbolic Smoke Ball : for inhalation only : will positively cure colds, cold in the head, cold on the chest, catarrh, asthma, bronchitis ... / Carbolic Smoke Ball Company.
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The Carbolic Smoke Ball : for inhalation only : will positively cure colds, cold in the head, cold on the chest, catarrh, asthma, bronchitis ... / Carbolic Smoke Ball Company. Credit: Wellcome Collection. Attribution 4.0 International (CC BY 4.0)