They have rotating pointers which indicate the time on a calibrated circular dial.

The device consisted of a circular dial with a single central rotating pointer, like a clock.

Will had seen these devices before-squat, boxy contraptions with a glass screen in front and a row of circular dials.

Classic, circular dials provide feedback to the driver.

In the middle of this dashboard were two circular dials of equal size.

Blood pressure is displayed on a circular dial with a needle.

These models all had a functional combination of circular dials and square windows.

Note that this definition refers to the use of a complete circular dial to represent a 24-hour day.

But a strange device, surely, for it cannot measure a great deal of time with that little circular dial.

With it, a flashing red light on a circular dial calibrated in feet indicates the water's depth.