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.
Another object was, to bring down specimens of air from different altitudes, for analysis; to try the effect of the actinometer at great elevations; and to note the hygrometric condition.
From Chambers's Edinburgh Journal, No. 456 Volume 18, New Series, September 25, 1852 by Robert Chambers
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
The actinometer consists of a large cylindrical thermometer bulb, with a scale considerably lengthened, so that minute changes may be easily seen.
From A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility by Henry Negretti
Then note down everything you have done—kind of view, stop, speed of plate, exposure of each plate, and length of exposure of actinometer.
From Scientific American Supplement, No. 492, June 6, 1885 by Various
A Johnson's actinometer is very useful to time the exposure.
From Photogravure by Henry R. Blaney
