In the same oven, but with a still less degree of heat, the same bullets cooled,
| So as to be held in the hand for half a second. | To actual temperature. | |||
| Tin in | 6 | In | 17 | |
| Silver in | 9 | In | 26 | |
| Gold in | 9 | 1/2 | In | 28 |
| Copper in | 10 | In | 31 | |
| Iron in | 11 | In | 35 | |
Having placed in the same oven five other bullets, placed the same and separated from each other, their refrigeration was in the following proportions.
| So as to be held in the hand for half a second. | To actual temperature. | |||
| Antimony in | 6 | 1/2 | In | 25 |
| Bismuth in | 7 | In | 26 | |
| Lead in | 8 | In | 27 | |
| Zinc in | 10 | 1/2 | In | 30 |
| Emery in | 11 | 1/2 | In | 38 |
In the same oven, and in the same manner, another bullet of Bismuth was placed, with six other bullets, which cooled,
| So as to be held in the hand for half a second. | To actual temperature. | |||
| Antimony in | 6 | In | 23 | |
| Bismuth in | 6 | In | 25 | |
| Lead in | 7 | 1/2 | In | 28 |
| Silver in | 9 | 1/2 | In | 30 |
| Zinc in | 10 | 1/2 | In | 32 |
| Gold in | 11 | 1/2 | In | 34 |
| Emery in | 13 | 1/2 | In | 39 |
There was put in the same oven a bullet of glass, another of tin, one of copper, and one of iron, and they cooled, of iron, and they cooled,
| So as to be held in the hand for half a second. | To actual temperature. | |||
| Tin in | 8 | In | 27 | |
| Glass in | 8 | 1/2 | In | 22 |
| Copper in | 14 | In | 42 | |
| Iron in | 16 | In | 50 | |
Bullets of gold, glass, porcelain, gypsum, and gres, were heated together, and cooled,