28 Captain Kater’s account of the 
By the above comparisons, the error of each weight in 
parts of a grain is as follows : 
No. 1. No. 2. No. 3. No. 4. 
— ,272 —,169 — ,186 — ,167 
The two 6 lb. 
weights 
+ 880 grains. 
Divisions. 
Gallon weights. 
The two 6 lb. 
weights 
4 880 grains 
Divisions. 
No. 1. 
Divisions. 
No. 2. 
Divisions. 
No.. 3. 
Divisions. 
No. 4. 
Divisions. 
— 1,9 
- l >9 
2,0 
— 0,6 
— 1,9 
4 1,7 
+ 3 ’° 
— 1,0 
— 4.9 
— 3,3 
+ 1,0 
4 3>4 
+ 2,9 
4 0,8 
+ 0,6 
— 1,9 
+ 3>3 
4 3.3 
+ 4 > 2 
4 2,9 
— >,7 
+ °>5 
+ 
4 2,8 
+ *»4 
0,0 
4 0,2 
— 1,8 
+ 3,9 
4 4 .i 
+ 2,5 
+ 1,2 
4 1,6 
+ °A 
+ 4,8 
4 0,5 
4 1,3 
4 2,0 
+ 3’ 1 
— 6,6 
+ 4>7 
4 5,2 
4 3 >° 
4 4 >° 
— 3>2 
+ o ,3 
— 1,0 
+ 34 
4 2,05 
4 1,00 
— 0,79 
— 1,61 
+ 2,09 
4 3.05 
+ 3>°5 
+ 2 »55 
Mean. 
By the above comparisons, the error of each weight in 
parts of a grain, is as follows : 
No. 1. No. 2. No. 3. No. 4. 
■— , 1 55 — ,334 — ,416 — ,046 
The two 6 lb. 
weights 
4 880 grains. 
Divisions. 
Gallon weights. 
The two 6 lb. 
weights 
4 880 grains. 
Divisions. 
No. 1. 
Divisions. 
No. 2. 
Divisions. 
No.. 3. 
Divisions. 
No. .4. 
Divisions. 
4 4 ,° 
4 *,2 
4 3 ,i 
4 2,5 
4 6,2 
4 7,2 
4 3 >S 
4 3 ,o 
— 0,4 
— 1,5 
— 1,0 
— 0,2 
— S.o 
— 1»7 
— 2,6 
— 3,0 
— 3,8 
— 0,5 
- 1,9 
— 0,8 
— »,3 
— 34 
4 0,1 
4 2,7 
4 2,9 
— 4.9 
— 1,6 
— 0,4 
4 1,1 
4 1,6 
4 3.7 
4 2,2 
4 *,2 
— 3,9 
4 *>3 
4 3,o 
4 1,20 
— 0,17 
— 0,27 
— i,6i 
4 0,65 
4 2,30 
4 2,30 
4 G 75 
Mean. 
