A photographic slide with a fine pattern of purple lines forms a complex grating.

A slide projector is an opto-mechanical device to view photographic slides.

Dollens made photographic slides of all of his paintings.

A slide projector is an instrument to view photographic slides.

To produce photographic slides, one must either have a slide recorder device or, more commonly, send the computer files to a printing service bureau.

Others add coordinate lines and constellations, photographic slides, laser displays, and other images.

His ability to make these connections across space and time often yielded dramatic insights from a single photographic slide or presented paper.

Images were hand painted onto the glass slide until the mid-19th century when photographic slides were employed.

He had a collection of photographic slides from his world travels.

We were shown photographic slides of people enthusiastically learning how to read and write.