Encyclopædia Britannica 1771–1860
Topic · 7 of 8 editions · peak 269 chars

PERPENDICULAR

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771) PERPENDICULARarticle123vol. 3, p. 469
2nd ed. (1778–83) PERPENDICULARarticle123vol. 8, p. 5954reprint · J 1.00
3rd ed. (1797) PERPENDICULARarticle123vol. 14, p. 153reprint · J 1.00
Suppl. 3rd (1801) PERPENDICULARarticle269vol. 2, p. 351
4th ed. (1810) PERPENDICULARarticle123vol. 16, p. 142reprint · J 1.00
5th ed. (1815) PERPENDICULARarticle123vol. 16, p. 142reprint · J 1.00
6th ed. (1823) PERPENDICULARarticle123vol. 16, p. 142reprint · J 1.00
7th ed. (1842) PERPENDICULARarticle114vol. 17, p. 238
8th ed. (1853–60)PERPENDICULARcross-reference28vol. 17, p. 416