672 
ME. AIET’S ACCOUNT OF THE COXSTEHCTIOX OF 
except in the last division of the Table, where Bronze 7 is the standard of reference. 
The “ division ” is one-hundredth part of a revolution, or 0“ -0000358. Each ” obseiwa- 
tion ” is the mean of three comparisons. 
Excess of each Bar above Bronze 28. 
Excess 
Excess 
Number of 
Symbol for Excess, 
Name of Bar. 
Observer. 
Position of 
when 
when 
observa- 
Error of 
independent of posi- 
Bronze 28. 
Bronze 28 
Bronze 28 
tions. 
1 Mean. 
tion but dependent 
is outside. 
is inside. 
on observer. 
d. 
d. 
! 
r 
Sheepshanks -j 
Outside. 
Inside. 
— 1-382 
— 1-131 
78 
64 
1 0-0643 
j 0-0642 
} 
Henderson | 
Outside. 
Inside. 
— 1-830 
— 1-735 
20 
20 
0-1396 
0-1528 
1 
Bronze 10 ^ 
Dunkin 1 
Simms | 
Outside. 
Inside. 
Outside. 
— 1-515 
- 0-788 
— 1-240 
20 
10 
8 
0-1196 
0-0940 
0-1593 
} arg 
1 
Inside. 
-1-669 
16 
0-1138 
J 
W. Simms, jun. ... | 
Outside. 
Inside. 
— 1-656 
—2-350 
16 
8 
0-0849 
0-1168 ! 
^ a^jo 
De la Rue | 
Outside. 
Inside. 
— 1-575 
-1-714 
8 
14 
0-1696 1 
0-1419 
j a-,j 
Sheepshanks | 
Outside. 
Inside. 
+ 0-213 
+ 0-119 
32 
32 
0-0989 1 
0-0976 1 
1 a -, 4 I 
Henderson | 
Outside. 
Inside. 
+ 0-370 
— 0-430 
10 
10 
0-1913 i 
0-1661 ; 
} 
Dunkin | 
Simms | 
Outside. 
-0-400 
10 
0-1456 
1 
Bronze 19 < 
Inside. 
Outside. 
Inside. 
+ 0-288 
+ 0-010 
+ 0-288 
10 
8 
8 
0-1473 
0-1624 
0-0919 
/ 
} ar^o 
W. Simms, jun. ... | 
Outside. 
-0-425 
4 
0-1458 
} i 
Inside. 
-0-400 
4 
0-0634 
- 
De la Rue | 
Outside. 
Inside. 
-0-413 
+ 0-400 
8 
8 
0-1217 
0-1785 
} 1 
Sheepshanks | 
Outside. 
Inside. 
+ 0-514 
+ 0-107 
28 
28 
0-0996 
0-1043 
j- a-jg j 
Henderson | 
Outside. 
Inside. 
+ 1-040 
— 0-040 
10 
10 
0-2246 
0-2192 
} ! 
Bronze 20 < 
Simms | 
Outside. 
Inside. 
+ 0-550 
+ 0-363 
8 
8 
0-1365 
0-0908 
^ a-jo 
W. Simms, jun. ... | 
Outside. 
Inside. 
+ 0-750 
+ 0-900 
4 
4 
0-0773 
0-0924 
} -a-ss 
De la Rue | 
Outside. 
Inside. 
+ 0-670 
+ 0-600 
6 
6 
0-0895 
0-1947 
Sheepshanks | 
Outside. 
Inside. 
-0-495 
‘—0-187 
38 
30 
0-0862 
0-0892 
} ^36 
Bronze 2 < 
Henderson | 
Outside. 
Inside. 
Outside. 
-0-745 
— 1-530 
-0-805 
20 
20 
4 
0-1444 
0-1281 
0-1336 
^ ^33 
1 
W. Simms, jun. ... | 
Inside. 
-2-275 
4 
0-0904 
1 a-m 
L 
De la Rue | 
Outside. 
-0-600 
4 
0-0411 
Inside. 
-0-880 
4 
0-3095 
r a'4j 
Bronze 7 < 
r 
Sheepshanks | 
Outside. 
Inside. 
+ 0-506 
+ 1-750 
32 
32 
0-1133 
0-0881 
1 a-^^ 
W. Simms, jun. ... | 
Outside. 
— 0-500 
4 
0-0985 
1 
L 
Inside. 
-0-620 
4 
0-0965 
j a.s 
