We therefore find oxygen, nitrogen, water vapour, and carbon dioxide remaining as permanent components of our air.
A mass of water vapour was conceived by Dalton as "like a mass of small shot."
A double falciform ejection of water vapour from under the kettlelid at both sides simultaneously.
A salt hydrate on being heated dissociates into a lower hydrate (or anhydrous salt) and water vapour.
They vary much with the condition of the air as to dust, clouds, water vapour, &c.
The rubber should not be allowed to form a bend hanging down, or water vapour, &c., may condense and extinguish the flame.
Some of the earlier observers thought that they could distinctly make out some such lines due, as was supposed, to water vapour.
The gases are also expelled from the molten metal by lead, carbon dioxide, or water vapour.
water vapour and excess of oxygen in moderation do not interfere seriously with its visibility.
To carry out this idea the air under examination was placed in an air-tight receiver and saturated with water vapour.