dry plate

American  

noun

1. a glass photographic plate coated with a sensitive emulsion of silver bromide and silver iodide in gelatin.

2. Metallurgy. tin plate having patches of dull finish.

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Etymology

Origin of dry plate

First recorded in 1855–60

Example Sentences

Oxymel produced a dry plate that could be kept for days.

From New York Times • Feb. 6, 2014

“You’ll have a new barn in no time,” I said, wiping an already dry plate with a towel.

From "Hattie Big Sky" by Kirby Larson

The camera consists of a circular brass box, 5� inches in diameter and 1� inches deep, containing a circular vulcanite shutter with two apertures, behind which is placed a circular dry plate.

From Scientific American Supplement, No. 561, October 2, 1886 by Various

So a supersensitive dry plate will often record many thousand stars in a region where the naked eye can see but one.

From Astronomy: The Science of the Heavenly Bodies by Todd, David Peck

You are a perambulating dry plate upon which outside objects produce their images.

From Applied Psychology: Making Your Own World Being the Second of a Series of Twelve Volumes on the Applications of Psychology to the Problems of Personal and Business Efficiency by Hilton, Warren