actinometer
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It should register about 40 deg. with an actinometer used to test silver solutions.
From Photogravure by Henry R. Blaney
The mystery was not a new type of infernal machine as they imagined but merely a home-made actinometer!
From Sixteen Months in Four German Prisons Wesel, Sennelager, Klingelputz, Ruhleben by Henry Charles Mahoney
A Johnson's actinometer is very useful to time the exposure.
From Photogravure by Henry R. Blaney
We can, however, by chemical means arrive at an exact estimate of the active power, and for this purpose an actinometer is used.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
You may sometimes find that the actinometer indicates a very different exposure from what the eye would lead you to expect.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
