in Ruling his Test-Plates. By William A, Rogers, 77 
TABLE I. 
RESIDUALS FROM THE MEAN. 
Spaces. 
I. 
Nobert. 
TT 
11. 
Rutherford. 
III. 
Rogers. 
fraction of inch. 
fraction of inch. 
fraction of inch. 
1 
+ 
1 
21700 
1 
33800 
1 
44700 
2 
1 
TGOOO" 
+ 
' 27600 
44700 
3 
+ 
1 
38000 
30700 
1 
23300 
4 

1 
76000 
1 
101000 
34500 
5 
0 
~ 27600 
_ 
34500 
6 
+ 
1 
38000 
" 43400 
1 
44700 
7 
+ 
1 
1 

16900 
~~ 33800 
8 
1 
1 
1 
21700 
101000 
__ 
f>Qf\f\C\fi 
ooUUUU 
9 
+ 
1 
152000 
• 307000 
253000 
10 
— 
1 
cJoOUO 
4- ' 
» 101000 
+ 
^7iOO 
11 
_ 
1 
50700 
' 33800 
+ 
1 
27200 
12 
+ 
1 
76000 
1 
33800 
+ 
1 
20000 
13 
+ 
1 
152000 
' 307000 
+ 
1 
33100 
14 
1 
76000 
1 
101000 
+ 
1 
42200 
15 
+ 
1 
19000 
H — 
' 43400 
+ 
1 
5T5OO 
16 
+ 
1 
50700 
1 
60800 
+ 
SsTdo 
17 
1 
19000 
307000 
1 
108600 
18 
1 
1 
1 
30400 
307000 
380000 
19 
1 
B0700 
' 43400 
I 
34500 
20 
+ 
1 
152000 
' 43400 
44700 
G 2 
