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One often meets conditions indicating a hot-water bottle or ice-bag, only to find them lacking. If the patient be too poor or the source of supply too distant or the time inopportune, it most frequently occurs that some makeshift is resorted to. If either a hot-water bag or an ice-cap is finally secured the chances are that it is unsatisfactory in some respect; that is, it is either too cumbersome, too heavy, too difficult of proper application or most frequently, leaky. Thus, as we all experience, our most efficient local treatment is either carried out with great difficulty or inconvenience, or the measure does not accomplish its purpose. These conditions suggest the need of some substitute for use under adverse circumstances.
Bicycles have been in use for a score or more of years and are now so numerous that one of them, or at least the remnants of one, and
Schrup JH. AUTO AND BICYCLE INNER TUBES USED AS ICEBAGS AND HOT-WATER BOTTLES. JAMA. 1912;LIX(9):719-720. doi:10.1001/jama.1912.04270080401010