Saint Bartholomew of Grottaferrata supervising the building of a church; an accident is avoided when a falling column is stayed on the order of one of his disciples. Engraving by P.A. Pozzi after N. Vanni after D. Zampieri, il Domenichino.

In the centre, Saint Bartholomew of Grottaferrata uses spectacles to examine a ground plan of the church. Left foreground, a man and a boy smooth a building stone, while another man cuts a stone with a hammer and chisel. A boy with the second man points to the middle distance where a horse or donkey, overloaded with building materials, has collapsed and is being beaten by its master. Right, three men move a stone bas-relief on rollers. Background, various building operations, including raising buckets on a windlass, laying masonry, and raising a column. The rope attached to the top of the column has broken, but the column's fall is stayed by a miracle