Show check on the milkman with the aid of in an apparatus recently dev deviled led by julius horvet of tho the minneapolis dairy and food commission it Is going to be possible within the space of a vory very few minutes to state just bow long the wily evily dealer in trick milk has worked the pump handle or allowed the product of the dairy to remain unprotected in the april showers the as the new apparatus Is called works oil the basis of the difference in freezing point between water and milk and it will determine infallibly whether the consumer Is receiving pure milk or wa milk or pure to which a little milk has been added james anderson andersen in scientific american |