22 Injurious Manufactories. 
1.101693) is zz 1.032812. So that the inch used by 
Klaproth is probably the Rhinland inch, which by this 
estimation is = 1.032812 English inches, and by the 
is = 1.02842 English inches, the difference being only 
about .0044. 
We may therefore without danger of material error, 
consider the inch used by most of the German chemists 
(unless otherwise specified) as that which, when cubed, 
contains 290 Nuremburg grains of water, and as having 
the following proportions with the English. 
Germ, feet or in. Eng. feet or in. 
1 ZZ 1.0328 
2 ZZ 2.0656 
3 ZZ 3.09 84 
4 ZZ 4.1312 
5 ZZ 5.1640 
6 ZZ 6.1969 
7 ZZ 7.2297 
8 ZZ 8.2625 
9 ZZ 9.2953 
When 1 German cubic inch 
remburg grain ; 
.8707 Troy grain. 
Germ. cub. in. Eng. cub. in. 
1 ZZ 1.1017 
2 ZZ 2.2034 
3 ZZ 3.3051 
4 ZZ 4.4068 
5 ZZ 5.5085 
6 ZZ 6.6102 
7 ZZ 7.7119 
8 ZZ 8-8136 
9 ZZ 9.9153 
weighs or contains 1 Nu- 
1 cubic inch English weighs or contains 
No. 3. 
Report made by the Physical and Mathematical Class of 
the Institute in Jlnsiver to the Question , whether those 
Manufactories , from which a disagreeable Smell 
arises , may prove injurious to Health. Mead in the 
Sitting of January , 1805, by Messrs. Guyton-Mor- 
yeau and Chaptal.* 
THE minister of the home department has consulted 
the class on a question, the solution of which is of es- 
sential import to our manufacturers. 
* Phil. Jour. Yol. 12, p. 122. from An. de Chim. Yol. 5*4 
