[ *79 ] 
III. 
From Water into Glafs, 
Sin. incid. : s. refr. of the red :: i : j 
o / // 
59 44 204. 
0,863739 
Of the violet :: 1 : 0,859966 59 45 
The difference of which 
is the greateft divergence. 
IV. 
o 25 354 * 
From Air into Spirit of Wine 
Sin. incid. : s. refr. of the red :: 1 : 1 
>1 = s.\ 
o / // 
47 10 20, 2 
0,7334001 == S.) ' 
Of the violet :: 1 : 0,7266366 = s. 46 36 18,6 
The difference of which 
is the greateft divergence. 
o 34 1,6 
V. 
From Spirit of Wine into Glafs. 
Sin. incid. : s. refr. of the red :: 1 : j 6 ° 2 /g ^ x 
0,8853964 = s. j 
Of the violet :: 1 : 0,8821802 = s. 61 54 2 4 
And their difference — — — — 0 2 3 3 ^ 
is the greateft divergence. 
B b 2 
Thefe 
