Fireplace with hand-chiseled strips and arc with high reliefs                     


                     

                                                                                                                                                             
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Up to thirty years ago, coming near a quarry, the predominant sound was heard as the clinking of hammers on steel tools world map polished handmade crude cubic stoneand the grumbling of some compressed air gun that prepared the "Cognare" to cut the stones. Today we hear the loud noise of diamond saws and bush hammers air . The quarries have been transformed into modern laboratories and the latest stonemasons were working elsewhere. Not being able to compete with the prices of the laboratories that produce perfect works , the stonemason can only work with all'intenditore who want something original, or creating jobs that machines can not do as "random length", with paving stones sprouted works in facades, restoration of rustic referring to the originals. In the period in which the noise was heard again of Steel "Ponciotti" and "Giandini"  in other words the irons which were used to cut and trim the stone , they were often formed from steel of the axes of the truck. Cut, forged, beaten and tempered, they got the requirements to be used. Tips for trimming still are octagonal steel rods of 17-18 mm in diameter, which are then cut into pieces then forged ,prunus mahaleb in trachite vase beaten and tempered steel adjusting the hardness of the stone. The chisels were of the same gender of the tips but beaten to cut. Nowadays the few masons were using hardened points as they once were, and those improvised most talented blacksmiths forging, stamping and tempering according to the stone work. The "Giandini" bush hammers and chisels have now usually widia plates. The hammers are used to bribe type 1 kg for common tasks , smaller but with the same form to make high - low relief, bat about 5 kg to beat the "Ponciotti" that cut the stones. The handles of the hammers as usual, are usually made with wood or hackberry tree stony (Celtis Australis) , since its qualities of hardness and elasticity. The branches are cut and left to rest for a couple of years and then processed according to the grip you want.

  
   Since 1997  Sandro Lazzarini.                          arte@scalpellino.eu