Show to preserve Pre erre there nere gre are many ways of preserving milk so as to keep it sweet but one of the most satisfactory is ia that which is at a t present practiced at an establishment in in the milk fresh from the cow co W is ia subjected to a boiling heat and after the air has b been expelled from it tho the cans are hermetically sealed when the process roce s s was first invented vente d about fifteen years ago several dozen bottles were leaded up every year some of these ahm are opened and after fifteen years yean keeping the mill mil has in every case been found perfectly fresh st paul pioneer presa |