Show new cutting agent in the recent voli in m of new alloys it to interesting to note that steel Is surpassed as a cutting agent by a metal con containing no iron bough ough thil clement element has been since the bronze ngo age the basis of practically nil all working tool aba 11 of allwood claims not only the durable hardness I 1 at high temperature that give gives it greater results than thop high speed 1 etcel steel tn ta lathe work but its resistance to tarnish ise an added property especially fitting it for ordinary cutlery its it beautiful color and polish are raid sold to be quite unaffected by atmospheric conditions or add acid fruits of yf its divel mr haynes says that when molybdenum ie Is added to nn an alloy of cobalt with 15 per cent the bard 1 gradually increases until the molybdenum reache reaches 10 40 per cent when the product 1 Is exceedingly hard bard and brittle cutting deally into glass and easily scratching ec quartz taking a cne r ae polish I 1 1 s so bard hard as to escape ordinary inith alli 23 25 per cent of molybdenum the resulting metal la is fine grained scratches glace glass readily ind take takes a strong keen edge tho a oy la Is too bard hard for fer forging but it mr le cast without difficulty |