OW is between feet; OD is of top (diag. across grain). W (top, with grain) 17.75 in (45.0 cm); W (top, against grain) 17.375 in (44.0 cm); D (from front of one foot to midpoint between two opposite feet) 17 in. (43.0 cm).
Bibliography and Bibliographic Notes
Book: Montgomery, Charles F., et al. 1966 American Furniture: The Federal Period, in the Henry Francis du Pont Winterthur Museum.