The silver disk of the descending time machine stood out against the dark clouds.
She took a small silver disk out of her pocket.
He searched his pockets for the silver disks and tried an experiment.
To the south there was a pale silver disk in the sky - the sun.
At one point, the cable passed through a square box on which was mounted a silver disk.
I found myself staring at a shining silver disk with a hole in it.
Far above the earth it released the silver disk and silently disappeared into the night sky.
Each quarter had a silver disk on the side, with ribbed edges.
He set the silver disk close by it, then made a few quick passes over the lamp.
They had stopped in front of a gleaming silver disk that was about six feet across.