Show the american zinc institute in its campaign to increase the uses of zinc is advocating spelter for rail bonding purposes one on e of the largest street railway companies recently made a considerable purchase of spelter for use in the manufacture of its joints engineers in charge of bonding operations erat ions report that viewed from price and adaptability standpoints spelter is unexcelled for such work zinc is comparatively plentiful and relatively cheap and in many directions it is satisfactorily ta taking king the place of more expensive metals |