This support should be loose enough so that the thumb and first finger can easily cause the tube to rotate regularly on its axis, but firm enough to carry all the weight of the tube, leaving the thumb and first finger nothing to do but rotate it.
"Laboratory Manual of Glass-Blowing"
Francis C. Frary
It seems probable that the interior parts of the sun do not rotate as if the whole were a rigidly connected mass.
"The Story of the Heavens"
Robert Stawell Ball
But now suppose that this great sphere, which we have hitherto assumed to be at rest, is made to rotate round an axis passing through its centre.
"The Story of the Heavens"
Robert Stawell Ball