Encyclopædia Britannica 1771–1860
Topic · 7 of 8 editions · peak 1,875 chars

LENS

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771) LENSarticle306vol. 2, p. 965
2nd ed. (1778–83) LENSarticle668vol. 6, p. 4185
3rd ed. (1797) LENSarticle667vol. 9, p. 787reprint · J 0.98
4th ed. (1810) LENSarticle1,812vol. 11, p. 759substantially revised · J 0.41
5th ed. (1815) LENSarticle699vol. 11, p. 759substantially revised · J 0.22
6th ed. (1823) LENSarticle710vol. 11, p. 759substantially revised · J 0.48
7th ed. (1842) LENSarticle1,875vol. 13, p. 229substantially revised · J 0.37