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actinometer
noun as in light meter
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Example Sentences
For judging long exposures, the use of an actinometer (issued in many inexpensive forms) is helpful.
We then shift the paper in the actinometer so as to get a fresh portion under the tissue strips, or we substitute a new piece.
Now refer to the actinometer and see what has taken place on the silver paper which we put into it.
The mystery was not a new type of infernal machine as they imagined but merely a home-made actinometer!
A very suitable instrument for timing the exposure of carbon tissue is Sawyer's actinometer.
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On this page you'll find 6 synonyms, antonyms, and words related to actinometer, such as: asa scale, exposure meter, photometer, radiometer, and scheiner scale.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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