Show ENGRAVER OF DIAMONDS tari jeweler thaes secret tool in 1 wort on the Pre cloua stone diamonds can be engraved in ft artistic manner this development of the diamond cutting art brings into ex istance a new class of jewelry for willed a demand la expected saya an eastern ey change it was long be ildved that the diamond could not be en graved with gate or satisfactory results A few stones roughly engraved were found ic india and a diamond was exhibited at the pans exposition in 1878 on which a portrait ol 01 the king of hoi land was scratched but the work was imperfect and tha stones were rather de hed than engraved some of the fenest specimens of engraving on diamonds are the work of 1 bordenet a paris jeweler pin representing a la of which the made Is a lender diamond and the handle a rub another Is a large cir cular eone on which a parsy with its fol u is engraved in another case tho ac agn is a knie made with two dia monda an elaborate piece of work Is a bicycle of which the w heels are two cir ular diamonds the spokes are depre tented by lines engraved on the dia moade A small hole Is pierced at each axle another diamond is carved like elsh A handsome brooch a scara babus surrounded by eapp hires and bril hants the most remarkable Is a ring made ot one diamond the interior surface belna polished and the exterior elaborately en graved other examples are brioche bro representing flies of w aich the w ings are ahin engraved diamonds and two dia monds engraved with armorial bearing the imperial arms ot russia being used n one instance on shirt and cult but ons formerly it was only possible to pro duce the polish on flat surface but II 11 bordenet has been able to do this on con cave portions as on the body and tall cf a fish and the interior of the ring hie tools produce not only straight lines in the wheel the racquet and the flies wings but a free modeling as in tho pansy the russian arm and the babus he has invented these tools him self an 1 intend that his son alone shall have the use of them they are exceed angly delicate and difficult to handle ho has spent 35 years bringing them to per lection it ie comparatively but few since it wag possible to pierce bolea in diamonds this feat made ble the placing of diamonds on a string al bernat ternat with pearl this work now is done generally in diamond cutting es |