Show A soldering for aluminium an ingenious inventor in norway claims to have realized the tile much felt desi desideratum derat im of it soldering metal for aluminium it consists in combining cadmium zinc and tin M mixed axed in substantially the following proportions port lone fifty parts cadmium twenty tracts parts chic and the 0 remainder of tin the zinc being first melted in any suitable vessel the cadmium Is added to this and then the tin in pieces the mass to ba be well heated stirred and poured the proportions of the various in Bredt ants may be varied in accordance with the use 1180 to which the substance la Is to be put thus where a strong and tenacious soldering ID 9 Is required a larger proportion of cad may be used where great adlie adhesion sion Is desired a larger proportion of zinc would be essential es and in ill case of an attractive and durable polish being sought a greater per cent of tin would be called for cornew new york sun |