1
In an hour, a cubical inch and a half had disappeared.
2
The nitric acid was very nearly pure; one cubical inch dissolved 150 grains of marble.
3
The muriatic acid was also nearly pure, and one cubical inch dissolved 108 grains of marble.
4
These were always mixed with water by volumes, the standard of volume being a cubical inch.
5
The sulphuric acid was strong oil of vitriol; one cubical inch of it was equivalent to 486 grains of marble.
6
A glass globe containing about 22 cubical inches was exhausted of air, and filled with pure oxygen.