...We sleep, too, among the trees, clearoff the ground, where there are dangerous vapours, so that we are freefrom all miasmata... 
Various 「Heads and Tales」
...But marshes that are stagnant and have no outlets either by riversor ditches, like the Pomptine marshes, merely putrefy as they stand,emitting heavy, unhealthy vapours...
Vitruvius 「Ten Books on Architecture」
...Even as late as three hundredand ninety years after the foundation of Rome, a chasm opened in theForum, and emitted flames and pestilential vapours...
Hugh Macmillan 「Roman Mosaics」
...
“High up the vapours fold and swim:About him broods the twilight dim:The place he knew forgetteth him...
Alfred, Lord Tennyson 「The Early Poems of Alfred, Lord Tennyson」
...These facts indicate thepresence of great masses of the vapours of sodium and calcium over thenucleus...
Robert Stawell Ball 「The Story of the Heavens」
...They revealthe existence of glowing calcium vapours in many parts of the surface ofthe sun...
Robert Stawell Ball 「The Story of the Heavens」
...The reason is, because of his rayes, which being in the lower vapours,those doe convey an imperfect mixedlight upon the waters...
John Wilkins 「The Discovery of a World in the Moone」
...The vapours of iron, sodium, magnesium, and other metals, areindicated as existing in small quantities...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...The latter are usually found in the vicinity ofsun-spots, and, besides hydrogen, contain the vapours of various metals...
Thomas Orchard 「The Astronomy of Milton's 'Paradise Lost'」
...Again, we know that these same vapours, which, by theirabsorptive action, cut off rays of certain tints, emit light of justthose tints...
Richard A. Proctor 「Myths and Marvels of Astronomy」
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