But at last, more than twelve hundred generations deep, the walls became blank, the last crude images scraped away.

He is also capable of the projection of crude images of what he's seen from his eyes.

A crude hand-drawn image on the track's roof sharpened enough that Howard could make it out.

The archive responded with lines of archaic text, accompanied by crude images.

Did we learn nothing from the past decade about the overwhelming power of crude images of violence to define and polarize our historical moment?

The apparatus was able to scan crude three-dimensional images into the computer.

It was all very crude images from a comic book.

She put the crude image on the edge of the table, in front of the rabbit.

Some organisms are able to sense a crude thermal image by means of special organs that function as bolometers.

Until recently digital cameras, which record scenes directly onto computer disks, have been able to produce only relatively crude images.