BETWEEN THE FREEZING AND BOILING-POINTS. 
163 
Table I.—Differences Expressed in Hundredths of a Millivolt from Mean. 
1898. 
March. 
April. 
9. 
10. 
11. 
M. 
16. 
23. 
25. 
31. 
2. 
12. 
20. 
Xi. 
- 5 
- 6 
- 4 
- 4 
- 5 
- 4 
- 4 
- 4 
- 5 
- 4 
- 4 
X,. 
+ 7 
+ 8 
+ 8 
+ 7 
+ 9 
+ 7 
+ 8 
+ 8 
+ 8 
+ 8 
+ 9 
x 3 . 
x 5 . 
-17 
-15 
-13 
-16 
- 16 
-16 
-14 
- 16 
-17 
-16 
-16 
X 10 . 
+ 14 
+ 12 
+ 10 
+15 
+ 15 
+ 15 
+ 13 
+ 14 
+ 14 
+ 14 
+ 13 
Xn. 
+ 1 
+ 1 
- 1 
0 
+ 1 
0 
+ 1 
- 1 
- 1 
0 
- 1 
Temperature of com- 
15° 
15° 
15° 
15° 
15° 
15° 
15° 
15° 
15” 
15° 
15” 
parison 
1898. 
May. 
June. 
July. 
Sept. 
Oct. 
December. 
4. 
5. 
9. 
28. 
13. 
17. 
23. 
10. 
14. 
14. 
16. 
X,. 
- 4 
- 3 
- 4 
- 3 
- 5 
- 4 
• 6 
- 2 
- 4 
- 8 
- 8 
Xo. 
+ 6 
+ 6 
+ 6 
+ 7 
+ 5 
+ 5 
+ 4 
+ 14 
+ 10 
+ 15 
+ 16 
Xg ...... . 
+ 1 
X 5 . 
-17 
- 17 
-18 
- 18 
-20 
-20 
-21 
- 15 
-21 
- 20 
-19 
X 10 . 
1 +15 
+ 15 
+ 16 
+ 15 
+ 17 
+ 18 
+ 18 
+ 21 
+ 16 
+ 15 
+ 15 
X n . 
- 1 
- 1 
- 1 
- 2 
0 
0 
+ 1 
+ 4 
- 2 
-, 5 
- 3 
Temperature of com- 
15° 
15° 
15° 
15° 
18° 
18° 
0 
O 
<M 
19° 
14° 
15° 
15° 
parison 
1898. 
1899. 
1900. 
December. 
Jan. 
March. 
1 May. 
June. 
Oct. 
February. 
March. 
19. 
27. 
- 17. 
24. 
6. 
16. 
25. 
. 5. 
12. 
14. 
Xi. 
- 8 
- 8 
- 9 
-12 
- 9 
- 10 
-10 
- 17 
- 14 
- 15 
Xo. 
+ 17 
+ 15 
! +14 
+ 11 
+ 15 
! +15 
+ 17 
+ 17 
+ 20 
+ 14 
X3. 
+ 3 
+ 1 
+ 2 
+ 16 
— 
— 
+ 18 
— 
+ 17 
x 3 . 
-20 
- 19 
-20 
-23 
-17 
- 18 
-21 
-23 
- 18 
-24 
X10. 
+ 15 
+ 15 
+ 14 
+ 12 
+ 16 
+ 18 
+ 15 
+ 11 
+ 16 
+ 12 
X u . 
- 5 
- 3 
- 3 
- 6 
_ g 
- 2 
- 2 
- 8 
- 3 
- 7 
Temperature of comparison. 
15° 
15° 
15° 
15° 
15° 
16” 
16” 
15° 
16° 
15° 
Y 2 
