Vulcanite Spray Introducer Cese Rectangular faux leather-covered case with a front hook-shaped clasp and a hinged lid. When opened, the green velvet interior contains three broken pieces of rubber tubing and a vulcanite spray introducer, while a paper information sheet is attached to the lid, stating that it originally held a vulcanite spray introducer for applying sulphurous acid spray, along with directions for use. 1875-1925