Encyclopædia Britannica 1771–1860
Topic · 1 of 8 editions · peak 221 chars

TETRAEDRON

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EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771)TETRAEDRONarticle135vol. 3, p. 893
Suppl. 3rd (1801)TETRAEDRONarticle221vol. 2, p. 669