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The project involved detaching the mosaic using a rolling technique ( the mosaic was in need of a new support ) , cleaning the back of the mosaic , applying a new mortar bed , and reinstalling the mosaic at its original site . To get partial coverage of the mosaic area , it is necessary to specify whether or not to observe every distinct mosaic location . Some of the mosaics were uncovered in the 20th century , after the building was turned into a museum . Included with the data is NSIDC 's limb ( large image map browser ) software , which was developed in-house and allows Unix users to easily select and view portions of the mosaic image with elevation contours derived from the elevation data overlain . Obsession over the Mosaic Covenant misses the point , forgetting how it all began with the Abrahamic Covenant . Zev Weiss , archeologist at Zippori , credited Narkiss ' publications in changing the way he approached the mosaics which were excavated . The long-term goal is to scan the original photographs , but for now , the Library wants to scan the mosaics and to preserve the original photographs . The staff is working with the map librarian from UConn to scan the mosaics . To pan ( move from left to right or up and down ) , select the <grabber hand> tool , then point , click , and hold on your selected area of the mosaic . Polygamy and divorce , though less insisted on by Rationalist critics , in reality constitute a more serious difficulty against the holiness of the Mosaic Law than any of those which have just been mentioned . He mentioned that his colleague Bashar Rizk thinks that the orientation of the mosaics they've released may be off of true north by 10 or 15 degrees in the counterclockwise direction .