south_foyer_upper_joint_vertical_witness
4½″4.5 in
Upper joint segment immediately beneath the cornice band and above the upper 4-inch trim segment. Source-local dimension only; no accepted fabrication or installed geometry.
Drawing notation: 4½″
Upper joint segment immediately beneath the cornice band and above the upper 4-inch trim segment. Source-local dimension only; no accepted fabrication or installed geometry.