Fig. 1From: High-resolution micro-CT with 3D image analysis for porosity characterization of historic bricksCut surfaces of bricks. A, B, and C (top) are three different modern hand-molded bricks. D is a yellow-green Dutch-style brick from a 1687 house in New Castle, Delaware. E is from a 1768 house cellar in Dennis, Massachusetts. F is from a 1715 house in Chester County, PennsylvaniaBack to article page