Relative Heat-conducting Power of different Bodies.
| Gold | 1000 | Fire brick | 11 |
| Platinum | 981 | Fire clay | 11.4 |
| Silver | 973 | With Water as a Standard. | |
| Copper | 898 | Water | 10 |
| Iron | 574 | Pine | 39 |
| Zinc | 363 | Lime | 39 |
| Tin | 304 | Oak | 33 |
| Lead | 180 | Ash | 31 |
| Marble | 24 | Apple | 28 |
| Porcelain | 12·2 | Ebony | 22 |
Relative Conducting Power of different Substances compared with each other.
| Hare’s fur | 1·315 | Cotton | 1·046 |
| Eider down | 1·305 | Lint | 1·032 |
| Beaver’s fur | 1·296 | Charcoal | ·937 |
| Raw silk | 1·284 | Ashes (wood) | ·927 |
| Wool | 1·118 | Sewing silk | ·917 |
| Lamp black | 1·117 | Air | ·576 |