Of Weights and Measures, 
11 
grains 
24 zz 1 denier 
72 zz 3 zz 1 gros 
576 ” 24 ZZ 8 ZZ 
4608 ZZ 192 ZZ 64 ZZ 
9216 ZZ 384 ZZ 128 ZZ 
The French pound is equal to 
The French ounce is zz 
The French gros zz 
The French grain zz 
The Troy pound is equal to 
The Averdupois pound ZZ 
1 ounce 
8 zz 1 marc 
16 ZZ 2 ZZ pound 
lb. Troy 
7561. troy grains zz 1.31268 
oz. Troy 
472.5625 do ZZ .984504 
dram 
59.0703125 do ZZ .984504 
0.820421 do 
7021. French grains 
8538. do 
In the reduction of the French into English measure, the 
following Table will assist. 
French oz. Troy oz. 
1 
ZZ 
0 
2 
ZZ 
1 
3 
zz 
2 
4 
zz 
3 
5 
zz 
4 
6 
zz 
5 
7 
— • 
6 
8 
— — 
7 
9 
zz 
8 
10 
zz 
9 
11 
zz 
10 
12 
zz 
11 
13 
" 
12 
14 
zz 
13 
15 
zz 
14 
French grains 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
20 
30 
40 
50 
60 
70 
72 
Troy grains 
0.820421 
1.640842 
2.461263 
3.281684 
4.102105 
4.922526 
5.74294 7 
6.563368 
7.383789 
8.20421 
16.40842 
24.61263 
32.81684 
41.02105 
49.22526 
57.42947 
59.070312 
Pounds 
1 ZZ 15 
2 ZZ 31 
3 ZZ 47 
4 ZZ 63 
5 ZZ 78 
6 ZZ 94 
7 ZZ HO 
8 ZZ 126 
9 ZZ 141 
drams grs . 
7 : 52.56 
7 : 45.12 
7 : 37.68 
7 : 30.24 
7 : 22.80 
7 : 15.36 
7 i 7.92 
7 : 0.48 
6 : 53.04 
6 ; 45.60 
6 : 38.16 
6 : 30.72 
6 : 23.28 
6 s 15.84 
6 : 8.40 
6 s 1 
4 : 2 
2 : 3 
0 : 4 
6 : 5 
4 : 6 
2 : 7 
0 : 8 
6 : 9 
gros drams grs. 
1 ZZ 0 % 59.07 
2 ZZ 1 : 58.14 
3 ZZ 2 : 57.21 
4 ZZ 3 : 56.28 
5 ZZ 4 % 55.35 
6 ZZ 5 : 54.42 
7 — 6 : 53,49 
