He erected a large sundial on the mosque's northern minaret in 1371.
It claims to hold the largest sundial in the world.
The large sundial was added later to the fourth-story façade.
Only the large sundial on the fourth floor remains today.
A large 19th-century sundial is also situated in the gable of the south porch.
Singleton is home to one of the world's largest sundials, presented by a local coal mine for the 1988 Bicentennial Celebrations.
At the center is a large sundial surmounted by an American eagle.
The wings are terminated by pavilions which feature large sundials set beneath their pediments.
One of the world's authorities on sundials, he wanted to construct a large sundial as the centrepiece of a villa.
It has a large blue sundial located over the porch of the church.
