| http://www.w3.org/ns/prov#value | - To provide a neat, simple and compact device adapted to be used as a powder bloweris the aim of this invention, which comprises essentially a body portion A, of any suitable size or material, such as wood or rubber, the. lower portion B of which is slightly conical, so as to fit into the neck of a suitable vial or bottle, while the upper portion 0 is conical, and shaped something like an acorn, so
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