Encyclopædia Britannica 1771–1860
Topic · 8 of 8 editions · peak 27,749 chars

FILTER

1st2nd3rd4th5th6th7th8th
EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771)① FILTERarticle220vol. 2, p. 591
2nd ed. (1778–83)① FILTERarticle237vol. 4, p. 3000revised · J 0.78
2nd ed. (1778–83)② FILTERarticle170vol. 4, p. 3001
3rd ed. (1797)③ FILTERarticle2,094vol. 7, p. 240
Suppl. 3rd (1801)④ FILTERarticle12,397vol. 1, p. 651
4th ed. (1810)④ FILTERarticle13,042vol. 8, p. 627
5th ed. (1815)④ FILTER, or FILTREsub_entry9,978vol. 8, p. 627revised · J 0.78
6th ed. (1823)④ FILTERarticle9,417vol. 8, p. 627reprint · J 0.94
7th ed. (1842)⑤ Filtertreatise23,805vol. 9, p. 582
7th ed. (1842)⑥ FILTERarticle15,946vol. 9, p. 580
8th ed. (1853–60)⑥ FILTERarticle27,749vol. 9, p. 580substantially revised · J 0.55