Encyclopædia Britannica 1771–1860
Topic · 7 of 8 editions · peak 287 chars

SPIRAL

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771)① SPIRALarticle287vol. 3, p. 622
1st ed. (1771)② SPIRALarticle104vol. 3, p. 622
2nd ed. (1778–83)③ SPIRALarticle102vol. 10, p. 8256
3rd ed. (1797)④ SPIRALarticle102vol. 17, p. 697
4th ed. (1810)⑤ SPIRALarticle102vol. 19, p. 598
5th ed. (1815)⑥ SPIRALarticle102vol. 19, p. 598
6th ed. (1823)⑦ SPIRALarticle102vol. 19, p. 598
7th ed. (1842)⑧ SPIRALarticle103vol. 20, p. 547