| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 1st ed. (1771) | ① PHYSICS | article | 62 | vol. 3, p. 478 | |
| 2nd ed. (1778–83) | ② PHYSICS | article | 7,545 | vol. 8, p. 6171 | |
| 3rd ed. (1797) | ③ PHYSICS | treatise | 151,250 | vol. 14, p. 637 | |
| 7th ed. (1842) | ③ PHYSICS | treatise | 133,633 | vol. 17, p. 558 | revised · J 0.69 |