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Excerpt from:
Patent For Improved Conduit For Invalid-Chairs
My device is designed for children's or invalids' chairs, and of that class with which a chamber or vessel is used, and consists in forming with or attaching to the under and front side of the seat a conduit, or conductor, for the purpose of conducting the urine discharged by its occupant into the chamber or vessel below, and by this means effectually preventing its discharge upon the floor, carpet, or clothes of the person, as is invariably the case with the devices now used...