Clear view screens are also used in locomotives and rail transport.

A clear view screen or clearview screen is a glass disk mounted in a window that rotates to disperse rain, spray, and snow.

A clear view screen is typically driven by an electric motor at the center of the disk, and is often heated to prevent condensation or icing.

Clear view screens were originally developed in the mid-1930s for automobiles as a better option than standard windshield wipers but were soon found more suitable for small boats and larger ships.

At least, he thought, they wouldn't be needing a Kent clear-view screen any more. '

I stared out through the high-speed Kent clear-view screen and wondered if I'd see Dubh Sgeir before it saw me.

Uncomprehendingly, but with admiration, he examined the binnacle, the engine-room telegraphs, the telephones, the rack of signal-flags, the buttons for closing the bulkheads, and the rotating clear-view screen for lookout in thick weather.