Architects everywhere will proudly display this Plumb Bob Patent Art in their office! Featuring a reproduction of the original patent, the Plumb Bob Patent Art makes an incredible gift for anyone in the architecture field. This wonderful piece of artwork is available in two sizes. The Large 16″ x 20″ double matted, framed art (shown) includes the patent artwork and application text. The Small 11″ x 14″ double matted, framed art comes with patent artwork only. Frame is sealed and includes hanging hardware. Made in the USA.