This is a variation of the equilateral arch only the arc centres still lie on the springing line but are moved outside the imposts. This results in a steeper shape.

An example is the entrance to the Priors Hall.

This is a variation of the equilateral arch only the arc centres still lie on the springing line but are moved outside the imposts. This results in a steeper shape.

An example is the entrance to the Priors Hall.
