er to render distinctly visible one beam than the other, and consequently to make under examination. that side of the field correspondingly brighter. Vari- the field of vision. The position of the two quartz The underlying principle of the sugar-testing polari- ous devices are employed in… … The Sugar Testing Laboratory at the Appraisers' Stores, New York. Mixing Room. Sample* Received from Docks Are Thoroughly Mixed All Imported Sugar Is Here Tested. and Small Samples for the Laboratory are Prepared. Filtering the Sugar Solutions. Large Bottles Contain Clarifying Agent One of the…
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