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Title Ephemera Binder, Box 2, Folder 11
Reference 17421.Q.76-100
Library The Library Company of Philadelphia
Collection Helfand
Date c. 1870-1939
Description Correspondence, advertisements and invoices for treatments and devices relating to electrotherapy.
Document Type Ephemera
Theme(s) Medical Devices
Keywords electrotherapy, magnetism, cure, medicine, inhaler, battery, belt, truss
Visual Content
Copyright The Library Company of Philadelphia