Encyclopædia Britannica 1771–1860
Topic · 2 of 8 editions · peak 160 chars
ÆTH
1st
2nd
3rd
4th
5th
6th
7th
8th
Edition
As printed
Type
Chars
Location
vs. previous
2nd ed. (1778–83)
ÆTH
article
155
vol. 1, p. 102
6th ed. (1823)
ÆTH
article
160
vol. 1, p. 232
substantially revised · J 0.52