American Classical Carved Mahogany Extension Dining Table , c. 1840, labeled "Briggs Extension Dining Table/ C.C. & J. Briggs, 507 Washington Street/ Boston", shaped top, accordion crank extension mechanism, four lappet carved cornucopia supports, central baluster turned leg , casters, h. 30 1/4 in., l. 92 1/4 in., w. 44 3/4 in. Note: Cornelius Briggs was the proprietor of the largest furniture shop in Boston during the first half of the 19th century but is most well-known for his revolutionary extension dining table patent of 1843. Featuring a hand-crank accordion extension mechanism, the Briggs dining table could be swiftly closed or extended to suit the needs of the entertaining space with ease. The cleverly designed table in the present lot is of a versatile size and can be used for multiple guests fully extended or as a small breakfast table when closed. A related table is held in the collection of the Museum of Fine Arts, Boston.Ref.: Bray, Derin and Dennis Carr. “The Ingenious Patent Extension Tables of Cornelius Briggs.” Antiques and Fine Arts Magazine. 10th Anniversary Edition, 2010, pp. 122-125.