ABSORPTION SPECTRA. 



PLATE 22. 



3 .62 .ei 60 .SO 



FIG. 86. 



FIG. 86. SEE NO. 177. PICRIC ACID. 



FIG. 87. SEE NO. 148. ACETONE, ETHYL ALCOHOL, ETC. 



FIG. 88. SEE NO. 150. ALUMINIUM CHLORIDE, ETC. 



FIG. 89. SE^ =:UNDUM AND DIAMOND. 



MEHOTyPE CO., eOSTOW. 



