Encyclopædia Britannica 1771–1860
Topic · 1 of 8 editions · peak 12,997 chars

Optical GLASSES

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EditionAs printedTypeCharsLocationvs. previous
5th ed. (1815)① Optical GLASSESsub_entry12,997vol. 9, p. 763
5th ed. (1815)② Drinking GLASSESsub_entry516vol. 9, p. 763
5th ed. (1815)③ GLASSESarticle158vol. 9, p. 763