| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 4th ed. (1810) | ① DRAIN | article | 321 | vol. 7, p. 313 | |
| 5th ed. (1815) | ① DRAIN | article | 320 | vol. 7, p. 313 | revised · J 0.89 |
| 6th ed. (1823) | ① DRAIN | article | 320 | vol. 7, p. 313 | reprint · J 1.00 |
| 7th ed. (1842) | ② DRAIN | article | 105 | vol. 8, p. 135 | |