EXAMPLES FROM THE WEB FOR HOT-AIR BALLOON
The hot-air balloon never could have become of great value to armies.
There was, too, very special danger in making an ascent in a hot-air balloon.
Thus was invented the hot-air balloon; and we buy paper replicas of it to-day.
It shot up high in the air much more rapidly than Montgolfier's hot-air balloon had done, and was soon beyond the clouds.
I've certainly been on a dead level, but you went over the church steeples like a hot-air balloon in a wind-storm.