Show accuracy of weights Is revealed by test an instance of sustained accuracy in the weights which tire now being submitted to the lie bureau of st standards a n inn Is for test was noted in a 11 shipment of nine sets containing a total of weights all were within tho the required accuracy only once before lias has a 11 larger number of sets been submitted without some of tile having errors greater than alie prescribed tolerances tile the fact that such ship ments tire are now recel received ved even if only occasionally Is an encouraging indica tion of the good work lone done by some soffie american makers it need not bo be said that such sustained accuracy would have been entirely out of the question ns as recently as ten years ago american |