Encyclopædia Britannica 1771–1860
Topic · 8 of 8 editions · peak 4,127 chars

HARDNESS

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771) HARDNESSarticle295vol. 2, p. 771
2nd ed. (1778–83) HARDNESSarticle746vol. 5, p. 3513
3rd ed. (1797) HARDNESSarticle4,051vol. 8, p. 310
4th ed. (1810) HARDNESSarticle3,967vol. 10, p. 260revised · J 0.69
5th ed. (1815) HARDNESSarticle4,052vol. 10, p. 260revised · J 0.71
6th ed. (1823) HARDNESSarticle4,127vol. 10, p. 260reprint · J 0.95
7th ed. (1842) HARDNESSarticle1,540vol. 11, p. 145substantially revised · J 0.27
8th ed. (1853–60) HARDNESSarticle1,150vol. 11, p. 226substantially revised · J 0.31