Encyclopædia Britannica 1771–1860
Topic · 4 of 8 editions · peak 830 chars

TOURMALINE

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EditionAs printedTypeCharsLocationvs. previous
3rd ed. (1797)① TOURMALINEarticle830vol. 18, p. 552
4th ed. (1810)② TOURMALINEarticle88vol. 20, p. 457
5th ed. (1815)③ TOURMALINEarticle88vol. 20, p. 457
6th ed. (1823)④ TOURMALINEarticle88vol. 20, p. 457