This vaporizer was used as a treatment for various respiratory ailments in the late 19th and early 20th centuries.  It is all original and complete with the kerosene lamp, globe, wick, stand, and medicine vaporizing pan.  The oil lamp's clear glass base is embossed "Cresolene Vapo Kerosene USA".  The milk glass globe/chimney is damaged as shown in the photos.  Replacements are available, but this one shows okay with the damaged side turned away. and has the original milk glass globe/chimney.