| Edition | As printed | Type | Chars | Location | vs. previous |
|---|
| 2nd ed. (1778–83) | ① SPHERES | article | 112 | vol. 10, p. 8255 | |
| 3rd ed. (1797) | ② SPHERES | article | 98 | vol. 17, p. 689 | |
| 4th ed. (1810) | ③ SPHERES | article | 98 | vol. 19, p. 589 | |
| 5th ed. (1815) | ④ SPHERES | article | 98 | vol. 19, p. 589 | |
| 6th ed. (1823) | ⑤ SPHERES | article | 98 | vol. 19, p. 589 | |