428 
MR. R. T. GLAZE BROOK OK DOUBLE REFRACTION 
Table V.—Results of the Experiments. 
Ray F. 
Angle of 
incidence. 
Ray g. 
Prism I. 
i=43° 56' 20". 
/'• 
0'. 
D p i. 
0. 
Dpi. 
0'. 
P 
1-66780 
1-66663 
1-66385 
32 39 3 
28 16 25 
24 44 25 
83 l'l 15 
78 52 40 
77 18 15 
64 8 
52 8 
44 8 
83 34 30 
77 42 5 
32 28 52 
24 37 14 
1-67557 
1-67143 
u. 
V- 
Dpi. 
t- 
D p i. 
V'-'- 
P 
1-65978 
1-64996 
1-64287 
1-63360 
1-62930 
2°2 42 59 
28 28 13 
31 45 48 
35 34 20 
37 10 12 
76 47 31 
77 58 16 
80 8 11 
85 36 51 
90 56 6 
39 51 48 
51 51 48 
59 51 48 
71 51 48 
79 51 48 
77 12 6 
78 20 6 
80 30 6 
85 58 11 
91 17 56 
22 36 27 
28 20 6 
31 36 22 
35 23 46 
36 58 48 
1-66736 
1-65720 
1-65022 
1-64067 
1-63643 
Prism II. 
7=43° 36' 19". 
Prism II. 
A 
0'. 
D + /. 
0. 
D + L 
0'. 
ll. 
1-63455 
1-61974 
1-60336 
1-59058 
34 30 58 
29 2 58 
23 33 38 
19 22 50 
82 50 18 
75 53 43 
73 12 43 
72 36 58 
67 51 30 
51 51 30 
39 51 30 
31 51 30 
83 8 48 
76 11 28 
73 30 18 
72 54 43 
34 22 2 
28 55 58 
23 28 21 
19 18 48 
1-64087 
1-62570 
1-60903 
1-59590 
P 
Dpi. 
Dpi. 
V- 
P 
1-58487 
1-56653 
1-54924 
26 3 57 
32 0 38 
37 54 21 
O / II 
72 40 1 
74 29 21 
80 59 16 
44 8 16 
56 8 16 
72 8 16 
O / ll 
72 57 41 
74 45 36 
81 15 1 
25 57 44 
31 53 6 
37 45 26 
1-59072 
P57205 
1-55442 
