The cuts she had made last week were still there, a thin spiral on the arch, like the soundhole on a violin.
But I've always seen just a thin spiral of hydrogen going into the hole.
As Allen turned to clamber down he spotted through a gap in the leaves a thin spiral of smoke not far off to the east.
Far to the west he could see a thin spiral of smoke that could be coming from a camp-fire.
A thin spiral of smoke was rising into the air apparently from the very centre of the yew hedge.
A thin spiral of black smoke was rising from a spot located among huge rocks and boulders.
Bolan saw that the steamer's funnel was emitting a thin spiral of black smoke.
The decoration consists of a series of thin spirals adorned with small leaves.
The thin spiral of smoke was torn apart by the gusts of wind.
Then he noticed a thin spiral of blue-grey, smoke, plain to see as it caught the sunlight, rising from a thicket above him.