This is the effect of two concentric dials on each clock face, in which the inner dial is lit and visible at night.

It also had an inner dial, actuated by a stop mechanism.

The star-time clock on the wall had an inner dial that was now retaining Voltar time.

She moved the inner dial carefully to match, looked up at the sun, and twitched the pointer a fraction of an inch.

The inner dial displayed the num- bers as usual, but surrounding the numbers was a separate dial, this one displaying six little pictures set in mother-of-pearl.

An instant later the order was confirmed by the inner dial, and a few seconds after that the dull rumble of the engines died away.

The silver ball and inner dial shows both the age of the moon and its phase (using a rotating black shield to indicate the moon's phase).

Brianna extended a hand and took the thing, frowning in absorption as she moved the inner dial.

Brianna extended a hand and to sorption as she moved the inner dial.

"I kind of use this inner dial: Either I turn it up or down," the 26-year-old reveals to the magazine.