870 MR. G. A. SCHOTT ON THE REFLECTION AND REFRACTION OF LIGHT. 
Glass in Wate7' (31, p. 184). 
p = 1-115, A = -000, B = -0020, F = — -00107, E = + -0390, e = + -02078. 
Li- 
/!• 
■ST 
observed. 
TT 
calculated. 
Differ- 
ence. 
Differ¬ 
ence, 
Cauchy. 
observed. 
6 
cal¬ 
culated. 
Differ¬ 
ence. 
Differ¬ 
ence, 
Cauchy. 
49 
/ 
0 
o 
21 
30 
O 
1 
58 
O 
1 
51 
4- 
> 
7 
+ 
/ 
5 
•881 
•851 
+ 
•0.30 
+ 
•044 
48 
48 
17 
0 
1 
32 
1 
33 
— 
1 
0 
•823 
•818 
+ 
•005 
+ 
•029 
48 
36 
14 
0 
1 
15 
1 
16 
— 
1 
0 
•791 
■769- 
+ 
•022 
+ 
•046 
48 
24 
12 
0 
1 
4 
1 
3 
+ 
1 
+ 
2 
•705 
•686 
-1- 
•019 
+ 
•040 
48 
18 
11 
0 
0 
58 
0 
58 
0 
+ 
1 
•639 
•642 
— 
•003 
4 - 
•026 
48 
12 
10 
15 
0 
54 
0 
55 
— 
1 
0 
•556 
•582 
— 
•026 
4- 
•003 
48 
6 
8 
0 
0 
42 
0 
54 
— 
12 
— 
11* 
•493 
•514 
— 
•021 
4- 
•016 
48 
0 
10 
0 
0 
53 
0 
54 
— 
1 
— 
2 
•470 
•446 
+ 
•0-24 
4 - 
•045 
47 
54 
11 
30 
1 
1 
0 
59 
+ 
2 
+ 
2 
•393 
•382 
+ 
•Oil 
+ 
•026 
47 
48 
12 
30 
1 
/ 
1 
4 
+ 
3 
+ 
4 
•292 
•327 
— 
•035 
_ 
•0-2.5 
47 
36 
16 
30 
1 
29 
1 
18 
+ 
11 
-4- 
12 
•2.38 
•243 
— 
•005 
— 
•001 i 
47 
24 
18 
30 
1 
41 
1 
34 
+ 
7 
+ 
5 
•186 
•189 
— 
•003 
+ 
•000 
47 
12 
21 
30 
1 
58 
1 
56 
+ 
O 
+ 
5 
•182 
•152 
4 - 
•030 
4 - 
•028 i 
47 
6 
22 
0 
2 
1 
2 
2 
— 
1 
— 
5 
•158 
•139 
1 4- 
•019 
i 4- 
•021 
46 
48 
25 
0 
2 
20 
2 
33 
— 
13 
— 
13 
•146 
•108 
! + 
1 
•038 
4- 
1 
•035 1 
Prob 
ible er 
ror . 
±4 
H9 
±4 
'•23 
± 
0155 
1 
1 ± 
! O 
o 
* Recalculated, Jamin Las +6'. 
Glass ill Ferric Chloride ^ (31, p. 185). 
IX ■= 1-091; A r-4--0200, B =-00080, F= +-000104, +-0278 ; e=+-01355. 
d - 
TXT 
observed. 
TXT 
calculated. 
Differ¬ 
ence. 
Diffei’- 
ence, 
Cauchy . 
X 
2 
observed. 
f 
cal¬ 
culated. 
Diffei- 
ence. 
Differ¬ 
ence, 
Cauchy . 
o 
48 
40 
o 
22 
/ 
15 
0 
/ 
3 
O 
2 
0 
- ^3 
-13 
•910 
■914 
•004 
+ 
•015 
48 
25 
22 
30 
2 
5 
1 
40 
+ 25 
+ 18 
•898 
• 891 
+ 
•004 
+ 
•004 
48 
17 
17 
30 
1 
35 
1 
26 
+ 9 
+ 1 
•877 
•876 
+ 
•001 
+ 
•002 
48 
2 
11 
10 
0 
59 
1 
0 
- 1 
+ 4 
841 
•829 
+ 
•012 
+ 
■Oil 
47 
50 
10 
30 
0 
56 
0 
45 
+ 11 
+ 5 
•753 
•759 
— 
•006 
— 
-010 
47 
14 
i 
1 M 
10 
0 
39 
0 
38 
+ 1 
- 6 
•700 
•704 
— 
■004 
— 
•003 
47 
39 
6 
30 
0 
34 
0 
35 
- 1 
— 7 
•646 
•644 
+ 
•002 
+ 
•003 
47 
32 
6 
20 
0 
33 
0 
34 
- 1 
- 5 
•535 
•537 
— 
•002 
+ 
•001 
47 
30 
6 
30 
0 
34 
0 
34 
0 
0 
•500 
•505 
— 
•005 
•000 
47 
27 
7 
35 
0 
40 
0 
36 
+ 4 
+ 5 
•460 
•455 
+ 
•005 
+ 
•on 
47 
20 
7 
55 
0 
42 
0 
42 
0 
+ 3 
•351 
•350 
+ 
•001 
+ 
•008 
47 
11 
9 
20 
0 
49 
0 
54 
K 
— 0 
0 
•239 
•253 
— 
•014 
— 
•007 
47 
4 
10 
0 
0 
53 
1 
5 
-12 
- 6 
•210 
•203 
+ 
•007 
+ 
•013 
46 
47 
15 
0 
1 
21 
1 
33 
-12 
- 5 
•141 
•133 
+ 
•008 
+ 
•012 
46 
35 
20 
0 
1 
49 
1 
54 
- 5 
+ 2 
•111 
•106 
+ 
•005 
— 
•003 
46 
25 
24 
30 
2 
17 
2 
12 
+ 5 
+ 22 
•091 
•090 
+ 
•001 
— 
•004 
46 
16 
28 
15 
2 
41 
2 
28 
+ 13 
+ 20 
•082 
•079 
+ 
•003 
+ 
•005 
46 
3 
34 
22 
3 
25 
2 
50 
+ 35 
+ 41 
064 
■068 
— 
•004 
— 
•003 
45 
30 
37 
0 
3 
46 
3 
51 
— 5 
+ 13 
•027 
•049 
— 
•022 
— 
•023 
Probable error . 
• • 
± 8'-28 
± 9'^50 
+ ■00645 
±■00724 
