keystone arch

keystone arch

Any arch having a keystone at its center, but commonly a flat arch or a round-topped arch.
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The finishing touches were made to the battlements on Thursday (February 28) and deputy head teacher, Mr Tim Lewis was particularly impressed by the use of the keystone arch.
BECKET- CHESTER- MIDDLEFIELD- REHABILITATION OF B-03-017=M-19-017 & B-03-018=M-19-018, OLD "WESTERN RAILROAD" KEYSTONE ARCH BRIDGES OVER THE WESTERN BRANCH OF WESTFIELD RIVER
(3) This keystone arch at the Upper Barton Mill site once topped the channel that let water flow from the power wheel back to the French River.
Its entire facade is comprised of 92 keystone arches crowned by an entablature comprised of several bands of intricate friezes.
Interesting rooflines, keystone arches atop fanlight windows, and a dramatic covered entry precede the masterful plan within.
They can search for examples of arches in their communities and then build miniature keystone arches. Modern suspension bridges, like the Verrazzano-Narrows in New York Harbor and Golden Gate in San Francisco Bay, span large, open spaces.
Fanlight windows with keystone arches highlight this two-story brick home that finds inspiration in the Colonial period.
Stone, stucco and keystone arches combine to create an attractive facade.

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