33 
new standards of weights and measures. 
It would perhaps be useless to detail the numerous expe- 
riments which were made in approximating to the final 
adjustment of the gallon measures, and I shall therefore 
immediately proceed to state the ultimate results. 
Gallon (which I shall designate) No. l. 
Date. 
Barom. 
Temp, 
of the 
Water. 
Weight of 
water con- 
tained bythe 
gallon, 
lolbs. ± 
Correction 
for 
Barometer. 
Correction 
for 
Temperat. 
Weight of 
water the 
gallon 
should have 
contained. 
IO lbs. ± 
Error 
in grains. 
June. 
I 
6 
1 1 
IS 
Inches. 
30,29 
29>94 
30,22 
30,16 
30*27 
O 
59*0 
59*4 
66,6 
67,8 
67,2 
Grains. 
+ I 3* I 3 
+ 11,14 
— 24,96 
— 30*84 
— 27,21 
Grains. 
— 0,71 
+ 0,15 
— 0,54 
— 0,40 
— 0,66 
Grains. 
+ 12,38 
+ 10,83 
— 23,29 
— 30*17 
— 26,68 
Grains. 
+ 11*67 
4- 10,98 
— 23,83 
— 30*57 
— 27,34 
+ 1,46 
4- 0,16 
— 1*13 
— 0,27 
4- 0,13 
Mr. Bate. 
Mr. Bate. 
Mr. Bate. 
Mean 
4- 0,07 
The bottom of the gallon No. 2. was rather thin, it was 
therefore subsequently adjusted by Mr. Bate, and sent to the 
Exchequer to be used on more ordinary occasions. 
Gallon No. 3. 
Date. 
Barom. 
Temp, 
of the 
Water. 
Weight of 
water con- 
tained bythe 
gallon. 
10 lbs. ± 
Correction 
for 
Barometer. 
Correction 
for 
Temperat. 
Weight of 
water the 
gallon 
should have 
contained. 
IO lbs. ± 
Error 
in grains. 
May. 
Inches. 
O 
Grains. 
Grains. 
Grains. 
Grains. 
18 
3°»33 
57*9 
4- 16,52 
— - 0,81 
+ 16,34 
4 - i 5*53 
+ 0,99 
20 
30,29 
57*4 
4 " 18,48 
— 0,71 
+ 18,02 
+ 17,31 
4- 1*17 
23 
29,96 
60,5 
4 6,67 
4- 0,10 
4- 6,44 
4- 6,54 
4- 0,13 
3 1 
30,30 
59 *o 
4- 12,58 
— 0,74 
4- 12,38 
4 - 11*64 
4- 0,94 
Mr. Bate. 
June 
30,30 
59*2 
4 - 9*78 
— 0,74 
4- 11,60 
4- 10,86 
— 1,08 
Mr. Bate. 
I 
30*30 
58,8 
4- 12,72 
— 0,74 
4 - 13*10 
4- 12,36 
4- 0,36 
1 1 
30,18 
67*3 
— 3 i *53 
— o *45 
— 27,26 
— 27.71 
— 3*82 
Mr. Bate. 
!3 
30,14 
67*4 
— 26,74 
— 0,35 
- 27,84 
— 28,19 
4- 1*45 
30 ,H 
68,2 
— 3 !* 8 o 
— o *35 
- 32*54 
— 32*89 
+ 1*09 
- 
Mean 
4- 0,14 
MDCCCXXVI. F 
