The astronomical gnomon and brass line in Saint-Sulpice Church.
Commissioned by Languet de Gergy, the astronomical gnomon was built by English clockmaker and astronomer Henri de Sully in order to determine the exact dates of Easter and the equinoxes.
Photographs of Saint-Sulpice Church.

Take a look at the pictures I’ve taken on trips to Italy

See the pictures I’ve taken in the United States

Take a look at the photographs I’ve taken in Canada