Encyclopædia Britannica 1771–1860
Topic · 2 of 8 editions · peak 155 chars

PERITROCHUM

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EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771)PERITROCHUMarticle154vol. 3, p. 468
4th ed. (1810)PERITROCHUMarticle155vol. 16, p. 140revised · J 0.78