derlying principle of the sugar-testing polari- ous devices are employed in polariscopes for securing wedges with respect to each other can be varied so as scope is that a solution of sugar in water is able to to produce any desired thickness of quartz plate in {Continued on page 170.) The Sugar… … Filtering the Sugar Solutions. Large Bottles Contain Clarifying Agent One of the Balance Rooms Where 26 Grammes of Sample Are Weighed and Then Washed into a 100 Cubic Centimeter Flask. (Subacetate of Lead). Polariscope Tubes in the Foreground. SUGAB TESTING IN THE UNITES STATES CUSTOHS SERVICE,
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