THE POLARIMETER 489 



REFERENCES IX CHAPTER XXIV. 



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8. C.R., 20, 1805. 



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13. Zeii. fiir Instr., 1894, 4, 41. 



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18. C.R., 1845, 50, 105. 



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32. " Optical Rotation of Organic Substances." 



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38. Bull. Assoc. Chim. Sue, 1892, 551. 



