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Fig. 27 Noél-St-Martin, Saint-Martin, tower with en délit shafts.  En délit shafts: Compared to ashlar walls where the mortar in the joint compacts, the vertical bedding in en délit shafts does not shrink along the length.'” This meant the masonry wall had to settle before the shaft could be installed.'* The underside of the capitals over these shafts locates many of the joints between campaigns as the masons left for another job while the mortar joints settled. Even though it simplified cutting as the recess for the shaft could be simply squared off without the more difficult task of shaping round shafts on every course, the concept took some 50 years to be accepted. The earliest shafts were short, as in the windows of Rhuis and the nearby tower of Noél-Saint-Martin from the 1080s, Fig. 27.!°   En délit shafts: Compared to ashlar walls where the mortar in the joint

Figure 27 Noél-St-Martin, Saint-Martin, tower with en délit shafts. En délit shafts: Compared to ashlar walls where the mortar in the joint compacts, the vertical bedding in en délit shafts does not shrink along the length.'” This meant the masonry wall had to settle before the shaft could be installed.'* The underside of the capitals over these shafts locates many of the joints between campaigns as the masons left for another job while the mortar joints settled. Even though it simplified cutting as the recess for the shaft could be simply squared off without the more difficult task of shaping round shafts on every course, the concept took some 50 years to be accepted. The earliest shafts were short, as in the windows of Rhuis and the nearby tower of Noél-Saint-Martin from the 1080s, Fig. 27.!° En délit shafts: Compared to ashlar walls where the mortar in the joint