The keystone is the most important component of an arch. However, it is also the component that endures no stress — and, typically, responsibility and stress go hand in hand. A keystone is the wedge ...
In design, the keystone is the all-important wedge at the top of an arch. It's used in a variety of design styles, used by architect C. Emlen Urban, around Lancaster. Here are some examples.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback