Encyclopædia Britannica 1771–1860
Topic · 6 of 8 editions · peak 11,432 chars

PYROPHORUS

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
2nd ed. (1778–83) PYROPHORUSarticle7,680vol. 10, p. 9148
2nd ed. (1778–83) PYROPHORUSarticle142vol. 9, p. 6550
3rd ed. (1797) PYROPHORUSarticle11,432vol. 15, p. 685revised · J 0.62
4th ed. (1810) PYROPHORUSarticle267vol. 17, p. 536
5th ed. (1815) PYROPHORUSarticle269vol. 17, p. 536revised · J 0.76
6th ed. (1823) PYROPHORUSarticle269vol. 17, p. 536reprint · J 1.00
7th ed. (1842) PYROPHORUSarticle254vol. 18, p. 756substantially revised · J 0.27