intrados
Isaac Kremer/ January 14, 2018/
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height="1302" src="https://i0.wp.com/isaackremer.com/wp-
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The inner curve of face of an arch or vault forming the concave underside. Photo from John Jay Homestead, Katonah, glossary/new-york/" class="glossaryLink" data-cmtooltip="1adc8ee834ec3189b4750f263dd91a57" target="_blank" >New York, 2011. (Harris, 1977)
