390 Scientific Intelligence. 



ination of vapors would one results free from thi 

 The apparatus required f.» determine the ma-netic rot 

 of leases is l»,ilk\ au.l complicated. Mv mill! ipi vim: 1 

 rotation of the' liquid, however, hy 'its molecular ■ 

 dividing the nro.lm-, hv i h- ,le.i>itv'. an accurate mo] 



of the alcohol ,•;„!!< .,U, f,.r vampie. the molecul 



the differences for' m increase' ol ( 11 ' l„ \n- I 

 ( = 1-0X2) respectively. Taking De la Rive's 



ture of the water ami t he ha nmmt He jiivs-inr heing noted. The 



