Anonymous, Italian, Piedmontese, 18th century

Design for a Curved Ornamental Cove to Support a Dome (?)

1700–1780

Pen and brown ink, brush and gray wash, over leadpoint, with ruled construction. Construction outline numbered ("1, 2, 3, 4, 5, 6) in lead point and pen and brown ink

29.5 × 45.5 cm (11.6 × 17.9 in)