ABSORPTION SPECTRA. 



PLATE 24. 



.02 ,61 60 ?; 



FIG. 95. 



FIG. 93. SEE NO. 165. COPPER CHLORIDE IN ACETONE. 

 FIG. 94. SEE NO. 158. COBALT CHLORIDE IN ACETONE. 

 FIG. 95. SEE NO. 157. CHLORIDES OF ALUMINIUM AND COBALT. 



HELIOTTPC CO.. BOSTON. 



