An introduction to the study of Gothic architecture (1881)
Parker, John Henry, 1806-1884 · Oxford and London, Parker and co · leaf 61
the early Norman masonryis extremely rudeand bad; the jointsbetween the stonesare often from oneinch to two orthree inches wide,and filled withmortar not alwaysof very good qua-lity. In conse-quence of this im-perfect construc-tion, many of the towers fell down within a few yearsafter their… … 19. Rubble Masonry, Gundulphs Tower, calledSt. Leonards, at Mailing, Kent, A.D. 1070. The earliest Norman Keep in existence.
Architecture, Gothic
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