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Start Over Collections Images from the History of Medicine (IHM) ✖Remove constraint Collections: Images from the History of Medicine (IHM) Titles The oxyoline apparatus: manufactured by the Neel-Armstrong Co., Akron, Ohio, U.S.A ✖Remove constraint Titles: The oxyoline apparatus: manufactured by the Neel-Armstrong Co., Akron, Ohio, U.S.A Genre Postcards ✖Remove constraint Genre: Postcards Copyright Public domain ✖Remove constraint Copyright: Public domain

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  • The oxyoline apparatus: manufactured by the Neel-Armstrong Co., Akron, Ohio, U.S.A1