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Start Over Collections Images from the History of Medicine (IHM) ✖Remove constraint Collections: Images from the History of Medicine (IHM) Subjects National Library of Medicine (U.S.) ✖Remove constraint Subjects: National Library of Medicine (U.S.) Authors Duncan, C.H. ✖Remove constraint Authors: Duncan, C.H. Titles Cavity photo-projectoscope ✖Remove constraint Titles: Cavity photo-projectoscope Languages English ✖Remove constraint Languages: English Genre Pictorial Works ✖Remove constraint Genre: Pictorial Works

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  • Images from the History of Medicine (IHM)1