| http://www.w3.org/ns/prov#value | - In additon the author covers various types of stone, stone-cutting, etc. as well as using tradional mortar mixes, which have demonstrated their utility in stone walls and buildings which have lasted for many centuries.The Art of the Stonemason is profusely illustrated with the author's meticulous line drawings and photographs.Ian Cramb began his apprenticeship at the age of 14 in Dunblane, Scotlan
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