Table I.
Errors of the Time Ball in 1909.
~ means too late.
+ means too early.
Date. January February March April May June July August Sept. October Nov. Dec. 1 ~~~ 0.1 +1.1 -0.3 0.1 +0.2 -0.2 0.1 0.1 0.1 0.1 2 0.1 +0.4 -0.3 +0.2 0.1 0.1 0.1 0.1 0.1 3 0.1 +0.3 0.1 -0.3 +0.4 0.1 0.1 -0.2 0.1 0.1 4 +0.2 0.1 +0.3 0.1 +0.4 0.1 0.1 +0.2 -0.2 0.1 5 +0.3 +0.2 0.1 0.1 0.1 0.1 -0.2 0.1 +0.2 -0.2 6 +0.4 0.1 0.1 0.1 0.1 0.1 0.1 +0.2 +0.2 -0.3 7 +0.4 0.1 0.1 -0.3 0.1 +0.4 0.1 0.1 8 +0.5 -0.3 +0.2 0.1 0.1 -0.2 0.1 0.1 0.1 9 +0.3 -0.2 +0.2 +0.3 0.1 +0.7 +0.2 -0.3 0.1 0.1 10 ... -0.3 +0.3 +0.2 0.1 +0.2 +0.4 +0.3 0.1 +0.2 11 +0.5 -0.3 +0.3 0.1 +0.2 +0.4 +0.2 -0.6 +0.2 0.1 12 +0.4 -0.4 +0.3 0.1 0.1 +0.4 +0.3 -0.2 +0.3 13 0.1 0.1 +0.3 +0.2 0.1 +0.6 +0.4 0.1 0.1 0.1 0.1 14 -0.2 0.1 -0.2 -0.3 +0.4 +0.3 0.1 15 -0.3 0.1 0.1 0.1 0.1 -0.2 -0.2 +0.9 +0.2 +0.2 0.1 16 -0.4 0.1 -0.2 0.1 +0.2 +0.3 0.1 +0.2 +0.2 0.1 0.1-E 5
Table I.
Errors of the Time Ball in 1909.
means too late.
+ means too early.
Date. January February March April
May
June
July
August Sept. October Nov.
Dec.
1
~~~
0.1
+1.1 -0.3
0.1
+0.2
-0.2
0.1
0,1
0.1
0.1
2
0.1
+0.4
-0.3
+0.2
0.1
0.1
0.1
0.1
0.1
3
0.1
+0.3
0.1
-0.3
+0.4
0.1
0.1
-0.2
0.1
0.1
4
+0.2
0.1
+0.3
0,1
+0.4
0.1
0.1
+0.2
-0.2
0.1
5
+0,3
+0.2
0.1
0.1
0,1
0.1
-0.2
0.1
+0.2
-0.2
6
+0.4
0.1
0.1
0.1
0.1
01
0,1
+0.2
+0.2
-0.3
7
+0.4
0.1
0.1
-0.3
0.1
+0.4
0.1
0.1
8
+0.5
-0.3 +0.2
22:
0.1
0.1
-0.2
0.1
0.1
0.1
0.1
-0.2
0.1
9
+0,3
-0,2
+0.2
+0.3
0.1
+0.7
+0.2
-0.3
0.1
0.1
10
...
-0.3
+0.3
+0.2
0.1
+0.2
+0.4
+0.3
0.1
+0.2
11
+0.5
-0.3
+0.3
0.1
+0.2
+0.4
+0,2
-0.6
+0.2
0.1
12
+0.4
-0.4
+0.3
0.1
0.1
+0.4
+0.3
-0.2
+0.3
13
0.1
0.1
+0.3
+0.2
0.1
+0.6
+0.4
0.1
0.1
0.1
0.1
14
-0.2
0.1
-0.2
-0.3
+0.4
+0.3
0.1
15
-0.3
0.1
0.1
:
0.1
0.1
-0.2 -0.2 +0.9
+0.2
+0.2
0.1
0.1
16
-0.4
0.1
-0.2
0.1
+0,2
+0,3
0.1
+0,2 +0,2
0.1
0.1
-E 5
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