Fig. 14From: Drying response of lime-mortar joints in granite masonry after an intense rainfall and after repointingThin sections impregnated in blue resin seen under polarizing microscope showing the repointing mortar with the external surface of wall 1 (a) and wall 3 (b) and the original mortar in the horizontal joint (c) and vertical joint (d). 500 µm scale barsBack to article page