He snapped on the windshield wiper again as a few drops of rain splattered the glass.
Before they reached Vista it was raining dismally, and Lawson had the windshield wiper going.
On each of them a pie-wedge section was illuminated by a white line which swept back and forth like a windshield wiper.
Unlike a windshield wiper, however, it put little white blobs on the screen, instead of removing them.
Only the windshield wiper squeaked regularly as it swept back and forth across the wet glass.