Show Il I I MAKING ARTIFICIAL II DIAMONDS DIAMONDSOn II On October 21 l in the tile Academy of Science Sd- Sd ence in Paris somo artificial diamonds t were shown hown 1 by ly their maker makor the thc chemist Al Astride Charette Charotte What hat Is Ia new In Inus hl his us process Is the application of or ortho tho the electrical current J puts 1112 small quantities if Ie iron and of or e or ot carbon Into a 0 vessel voi void of or air all and sends ends a weak weale electriC cle cur runt t through h It ft t Time The dissolution of the of or carbon Is said to cause the sulphur l to combine with Ith the Iron while the C carbon b becoming free Is er crystallized on tho the walls waits of or tho the vessel and forms forms' small diamonds A V committee ha has been appointed b by the tho academy neadem to lo te test t tho the reliability 11 of ot the tile experiments c described b by M M- Charette l For or or there Is no prima facie fade Improbability In n the astonishing assertions of ot the chem chem- 1st st st. Already y Newton Nekton was as aware that diamonds are aio kindred to- to carbon and Da Davy proved that burnt diamonds s yield carb acid In lS 1880 succeeded In n making diamonds by lw reducing heavy hea h hydrogen dro cn hi iii a red hot pipe With tho time separated particles of or coal coalo lie ho o found Un tiny splits or of diamonds This process HI was wai as dangerous as it was I difficult of execution A great progress was the time method of the time late Professor sor who was nas Induced by tho the discovery dis- dis ls- ls I CO ory covery o ry of oC diamonds In meteoric stones to o make DIRk experiments with carbon dissolved tJI dis- I solved In hito hot Iron and afterwards In n silver sliver by enforcing the ion tion under enormous outside pressure I As the tho diamonds thus produced were vcr ery small only hair halt ft l millimeter In len length th tho tile economic success was v.-aS nil 1111 But experiments throw threw a it great deal or of light lIht on the natural origin or of f that coveted stone It I is sOil to be beten I ten seen whether hether the time process Invented b by Charette will lehl practical results result Continental Correspondence t it l a. a It |