Topic · 6 of 8 editions · peak 187,008 chars
IRON
1st2nd3rd4th5th6th7th8th
| Edition | As printed | Type | Chars | Location | vs. previous |
|---|---|---|---|---|---|
| 1st ed. (1771) | IRON | cross-reference | 27 | vol. 2, p. 850 | |
| 1st ed. (1771) | FERRUM | cross-reference | 23 | vol. 2, p. 588 | |
| 2nd ed. (1778–83) | ① IRON | article | 620 | vol. 5, p. 3953 | |
| 3rd ed. (1797) | ② IRON | article | 55,004 | vol. 9, p. 345 | |
| 3rd ed. (1797) | FERRUM, IRON | cross-reference | 23 | vol. 7, p. 222 | |
| Suppl. 3rd (1801) | ③ IRON | article | 12,187 | vol. 2, p. 39 | |
| 4th ed. (1810) | ④ IRON | article | 211 | vol. 11, p. 356 | |
| 4th ed. (1810) | FERRUM | cross-reference | 40 | vol. 8, p. 607 | |
| 5th ed. (1815) | ④ IRON | article | 211 | vol. 11, p. 356 | reprint · J 1.00 |
| 5th ed. (1815) | FERRUM, IRON | cross-reference | 40 | vol. 8, p. 607 | |
| 6th ed. (1823) | FERRUM, IRON | cross-reference | 40 | vol. 8, p. 607 | |
| Suppl. 4–6th (1824) | ⑤ IRON | treatise | 3,895 | vol. 5, p. None | |
| 7th ed. (1842) | ⑥ IRON | article | 94 | vol. 12, p. 427 | |
| 8th ed. (1853–60) | ⑦ IRON | treatise | 187,008 | vol. 12, p. 538 | |
| 8th ed. (1853–60) | ⑧ IRON MASK | article | 9,508 | vol. 12, p. 536 |