46 
DR. A. E. H. TUTTON ON THE 
Interfacial Angles of Ammonium Cadmium Sulphate. 
Angle. 
No. of 
measure¬ 
ments. 
Limits. 
Mean 
observed. 
Calcu¬ 
lated. 
Diff. 
Values of 
Rammels- 
BERG. 
ac = (100):(001) 
16 
/ 
73 5- 73 28 
73 16 
73 19 
/ 
3 
o / 
72 37 
as =(100):(101) 
— 
— 
— 
45 5 
-— 
— 
sc = (101): (001) 
— 
— 
28 14 
-— 
— 
J 
1 
cr =(001):(201) 
18 
64 8- 64 29 
64 22 
64 18 
4 
64 50 
cs =(001): (101) 
— 
— 
38 23 
— 
1 
sr = (101):(201) 
— 
— 
-- 
25 55 
— 
— 
ra = (201): (100) 
15 
42 11- 42 25 
42 19 
42 23 
4 
— 
' ap = (100) : (110) 
21 
35 3- 35 24 
35 13 
35 14 
1 
— 
PP =(110):(120) 
21 
19 10- 19 37 
19 24 
19 28 
4 
19 28 
pb = (120): (010) 
21 
35 9- 35 34 
35 23 
35 IS 
5 
— 
pY' = (120): (130) 
13 
9 52- 10 17 
10 5 
10 2 
3 
1 
PP"’ = (110): (130) 
16 
29 16- 29 46 
29 29 
29 30 
1 
29 30 
p'"b = (130) : (010) 
18 
25 7- 25 27 
25 17 
25 16 
1 
•—- 
pb = (110):(010) 
26 
54 36- 54 57 
54 46 
* 
— 
— 
[PP =(110): (110) 
17 
70 18- 70 37 
70 26 
70 28 
2 
70 36 
Jcq =(001): (Oil) 
32 
25 4- 25 26 
25 17 
25 17 
0 
25 11 
\qb =(011): (010) 
31 
64 32- 64 54 
64 43 
* 
— 
\ao =(100): (111) 
14 
48 1-48 25 
48 10 
48 12 
2 
— 
| oq = (111):(Oil) 
19 
26 33- 27 .1 
26 47 
26 45 
2 
\aq =(100): (Oil) 
23 
74 36- 75 11 
74 55 
74 57 
2 
74 45 
1 go' =(011): (111) 
24 
34 36- 34 57 
34 47 
34 43 
4 
34 35 
[da = (Ill): (100) 
21 
70 0- 70 28 
70 16 
70 20 
4 
— 
[co = (001): (111) 
27 
33 25- 33 56 
33 42 
33 43 
1 
33 30 
1 op = (111): (110) 
25 
42 30- 42 58 
42 44 
42 43 
1 
— 
\cp =(001): (110) 
35 
76 18- 76 43 
76 26 
* 
— 
1 F =(110):(111) 
32 
58 40- 59 5 
58 53 
59 0 
7 
59 39 
[o'c =(111): (001) 
33 
44 25- 44 57 
44 41 
44 34 
7 
44 42 
[bn =(010): (121) 
— 
— 
55 4 
— 
— 
| no =(121):(111) 
— 
15 41 
— 
— 
bo =(010):(111) 
19 
70 31- 70 55 
70 46 
70 45 
1 
os =(111): (101) 
—- 
■—■ 
19 15 
— 
— 
(_ oo = (111): (111) 
8 
38 14- 38 38 
38 28 
38 30 
2 
— 
f bo = (010) : (Ill-) 
29 
65 11- 65 30 
65 24 
65 23 
1 
— 
< 
o's' =(111): (101) 
— 
— 
■ — 
24 37 
— 
— 
lo'd = (Ill): (III) 
13 
49 0- 49 20 
49 12 
49 14 
2 
— 
fsq =(101):(Oil) 
— 
— 
37 11 
— 
_ 
L 
qp =(011):(110) 
28 
87 54- 88 8 
88 2 
88 2 
0 
— 
< 
ps =( 110 ):( 101 ) 
_ 
— 
— 
54 47 
— - 
— 
l m = (HO) : (Oil) 
26 
91 50- 92 7 
91 58 
91 58 
0 
— 
[s’q = (101): (Oil) 
— 
— 
— 
44 52 
— 
— 
qn =(011):(121) 
— 
— 
— 
26 9 
— 
— 
np = (121):(110) 
- — 
— 
36 34 
— 
qp =(011):(110) 
31 
62 31- 62 59 
62 42 
62 43 
1 
ps =(110):(101) 
— 
— 
— 
72 25 
— 
— 
L Pi =(H0): (Oil) 
30 
117 4-117 30 
117 17 
117 17 
0 
— ■ 
fr'o' = (201) : (Ill) 
30 
34 45- 35 24 
35 6 
35 9 
3 
— 
< 
dp =(111):(110) 
28 
91 52- 92 17 
92 3 
91 58 
5 
— 
IF' =(110): (201) 
30 
52 37- 52 58 
52 49 
52 53 
4 
— 
Total number of 
measurements. . 
790 
' 
