Encyclopædia Britannica 1771–1860
Topic · 2 of 8 editions · peak 264 chars

AIR-SHAFTS

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EditionAs printedTypeCharsLocationvs. previous
1st ed. (1771) AIR-SHAFTSarticle264vol. 1, p. 72
2nd ed. (1778–83) AIR-SHAFTSarticle91vol. 1, p. 190