Encyclopædia Britannica 1771–1860
Topic · 7 of 8 editions · peak 348 chars

HEPTACHORD

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771)HEPTACHORDarticle201vol. 2, p. 783
2nd ed. (1778–83)HEPTACHORDarticle314vol. 5, p. 3580revised · J 0.65
3rd ed. (1797)HEPTACHORDarticle314vol. 8, p. 437reprint · J 1.00
4th ed. (1810)HEPTACHORDarticle331vol. 10, p. 395revised · J 0.89
5th ed. (1815)HEPTACHORDarticle348vol. 10, p. 395revised · J 0.85
6th ed. (1823)HEPTACHORDarticle322vol. 10, p. 395revised · J 0.85
7th ed. (1842)HEPTACHORDarticle315vol. 11, p. 240revised · J 0.79