Show ALLOYS OF HIGHEST VALUE remarkable products that will add greatly to the co wealth of the world two new alloys that are in many beope respects e is rem remarkable ar babl 0 are des described cri bed by the american machinist one called and produced by the inventor ot of the Mc alloy la Is a compound of silver and aluminum it has been put out to compete with silver over which mary are claimed tor for it tor for industrial purposes it can be cast rolled rolle 1 spun drawn into wire takes a good polish and has greater strength than either aluminum or silver it resembles silver in appearance pe arance Is not affected by nitric acid and does not tarnish on elpi exposure daure to the air its specific gravity la is only one third that ot of siver silver the other alloy to Is a blend ot of cobalt and un tin of abc at 40 to 60 this Is said gald by the official chemist ot of the american institute ot of metals to be especially resistant to acids but owing to its brittleness it has little commercial value experiments however tend to show that when this is mixed with other metals such as copper tor for instance it produces a series ot of alloys which may returned be turned forged and machined and havo hava a high degree ot of chemical resistance |